stem
Longman Dictionary of Contemporary English 5++LDOCE 5++stem1 /stem/ ●●○ noun [countable] 1. 
HBPthe long thin part of a plant, from which leaves, flowers, or fruit grow 〔植物的〕茎，梗，柄 SYN stalk →5 see picture at 见图 flower12. DFDthe long thin part of a wine glass, vase etc, between the base and the wide top 〔葡萄酒杯、花瓶等的〕颈，柄，脚3. DFTthe narrow tube of a pipe used to smoke tobacco 烟斗柄4 long-stemmed/short-stemmed etc DFDhaving a long stem, a short stem etc 长茎的/短茎的；高脚的/矮脚的等 long-stemmed wine glasses 高脚酒杯5. SLGthe part of a word that stays the same when different endings are added to it, for example ‘driv-’ in ‘driving’ 词干〔如 driving 中的 driv-〕
HBPthe long thin part of a plant, from which leaves, flowers, or fruit grow 〔植物的〕茎，梗，柄 SYN stalk →5 see picture at 见图 flower12. DFDthe long thin part of a wine glass, vase etc, between the base and the wide top 〔葡萄酒杯、花瓶等的〕颈，柄，脚3. DFTthe narrow tube of a pipe used to smoke tobacco 烟斗柄4 long-stemmed/short-stemmed etc DFDhaving a long stem, a short stem etc 长茎的/短茎的；高脚的/矮脚的等 long-stemmed wine glasses 高脚酒杯5. SLGthe part of a word that stays the same when different endings are added to it, for example ‘driv-’ in ‘driving’ 词干〔如 driving 中的 driv-〕Examples from the Corpus
stem• But the plant continually produces new stalks through the year, so there always should be some new stems to pick.• It produces small, fragrant flowers that cluster on older stems.• You can try anything from a single stem to a braided bunch with Antenna's new collection of flowery Monofibre extensions.• The stem is thin and rooted.• It looked like something pulled from the earth, a tuberous stem or fungus esteemed by gourmets.stem2 verb (stemmed, stemming) [transitive] 1 STOP something THAT IS HAPPENINGto stop something from happening, spreading, or developing 阻止，遏制，封堵stem the tide/flow/flood of something The measures are meant to stem the tide of illegal immigration. 这些措施旨在遏制非法移民潮。stem the growth/rise/decline etc an attempt to stem the decline in profits 遏制利润下滑的努力2 formalSTOP something THAT IS HAPPENING to stop the flow of a liquid 阻止，堵住，止住〔液体的流动〕 A tight bandage should stem the bleeding. 扎紧绷带可以止血。3 stem from something phrasal verb RESULTto develop as a result of something else 源于，来自；由…引起 His headaches stemmed from vision problems. 他的头痛是由视力问题引起的。→ See Verb tableExamples from the Corpus
stem• Two things stem directly from the location of a submarine eruption.• Working through this despair, which stemmed from early childhood, was a long and painful task.• This small act of concealment had partly stemmed from the fact that she herself had never had money.• The weakness of the Arab nations stems from the fact that they buy weapons instead of choosing to do their own research.• The exact date of its original building is disputed but it probably stems from the late fifth or early sixth century.• Thomas' patronage stems from the many churches he built during his pilgrimages.• Their recovery since then stems from winning several lucrative long-term Defence contracts.• He used a rag to stem the bleeding.stem the tide/flow/flood of something• Church had effectively stemmed the flood of artists.• Through this conservative normativist theory Dicey attempted to stem the tide of government growth in a collectivist direction.• Both the Senate and the administration seemed powerless to stem the tide of hysteria.• This illustrates the type of practical public health action that could be taken to stem the tide of obesity.• Then she dropped her face into her hands, unable to stem the flood of tears a second longer.• She stemmed the flow of tears that came, knowing they would sting his body.• After the game Kasparov said that Karpov had to play 24 ... d3 to stem the flow of the White attack.nSTEM /stem/n1.the abbreviation of science, technology, engineering, and mathematics, used especially when talking about educationOrigin stem1 Old English stefn, stemn stem2 (1200-1300) Old Norse stemma. stem from (1900-2000) From → STEM1stem1 nounstem2 verbSTEMLDOCE OnlineChinese
part Corpus of long a plant, thin the from
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stem
stem1 /stem/ 
noun [countable]
1. the long thin part of a plant, from which leaves, flowers, or fruit grow
SYN stalk
2. the long thin part of a wine glass, vase etc, between the base and the wide top
3. the narrow tube of a pipe used to smoke tobacco
4. long-stemmed/short-stemmed etc having a long stem, a short stem etc:
long-stemmed wine glasses
5. the part of a word that stays the same when different endings are added to it, for example ‘driv-’ in ‘driving’
stem2 verb (past tense and past participle stemmed, present participle stemming) [transitive]1. to stop something from happening, spreading, or developing
stem the tide/flow/flood of something
The measures are meant to stem the tide of illegal immigration.
stem the growth/rise/decline etc
an attempt to stem the decline in profits
2. formal to stop the flow of a liquid:
A tight bandage should stem the bleeding.
stem from something phrasal verb [not in progressive]
to develop as a result of something else:
His headaches stemmed from vision problems.
| I |
noun [countable] Language: Old English
Origin: stefn, stemn
Origin: stefn, stemn
1. the long thin part of a plant, from which leaves, flowers, or fruit grow
SYN stalk
2. the long thin part of a wine glass, vase etc, between the base and the wide top
3. the narrow tube of a pipe used to smoke tobacco
4. long-stemmed/short-stemmed etc having a long stem, a short stem etc:
5. the part of a word that stays the same when different endings are added to it, for example ‘driv-’ in ‘driving’
| II |
verb (past tense and past participle stemmed, present participle stemming) [transitive]1. to stop something from happening, spreading, or developingstem the tide/flow/flood of something
stem the growth/rise/decline etc
2. formal to stop the flow of a liquid:
stem from something phrasal verb [not in progressive]
to develop as a result of something else:
Explaining reasons 解释原因
◆ The number of people with diabetes is growing, partly because of an increase in levels of obesity.患糖尿病的人数不断上升，部分原因是肥胖人数增加。 ◆ The number of overweight children has increased dramatically in recent years, largely as a result of changes in diet and lifestyle.近年来肥胖儿童的数量急剧上升，很大程度上是由饮食和生活方式的改变引起的。 ◆ The increase in childhood obesity is largely due to /the result of changes in lifestyle and diet over the last twenty years.肥胖儿童人数的增多主要是过去二十年来饮食和生活方式的改变所致。 ◆ Many obese children are bullied at school on account of their weight.许多肥胖儿童因为其体重问题在学校受到欺负。 ◆ Part of the problem with treating childhood obesity stems from the fact that parents do not always recognize that their children are obese.治疗肥胖儿童的困难部分源自父母有时并不认为自己的孩子肥胖。 ◆ Childhood obesity may be caused by genetic factors, as well as environmental ones.儿童肥胖既可能由环境因素引起，也可能是遗传因素所致。