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leach

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leach

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
Related topics: Earth sciences, Geology
leach /liːtʃ/ (also leach out) verb [intransitive, transitive]  technicalHE if a substance leaches or is leached from a larger mass such as the soil, it is removed from it by water passing through the larger mass (使)滤掉,过滤 The manufacturers say that there is no danger of the aluminium leaching into the water. 生产厂家说不会有铝渗入水中的危险。
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Examples from the Corpus
leachDrainage had already leached away much of the water resources of the Great Plains grain belt.Plastics not intended for food use vary: some may leach dye into the water, and some can be toxic.Nitrates from fertilizers leached into the rivers.Constantly running water through gravel means that any hardness will be leached into the water.But, with heavier stocking, even grass leaches more nitrate.I would sweat so hard that my shirt collar turned white from the salt leached out from my body.For some minutes Harry sat extremely still to leach the sting.Everything from erosion to leaching to iron rainstorms is possible, perhaps much more.Heap leaching uses chemical solutions to dissolve gold from heaps of crushed ore.
Origin leach Old English leccan to make wet
leach verbChinese
a leaches larger a substance leached or if Corpus from is


leach
leach /liːtʃ/ (also leach out) verb [intransitive and transitive]
 Language: Old English
 Origin: leccan __to make wet__
technical if a substance leaches or is leached from a larger mass such as the soil, it is removed from it by water passing through the larger mass:
    The manufacturers say that there is no danger of the aluminium leaching into the water.


leachBrE /liːtʃ/ 🔊NAmE /liːtʃ/ 🔊 verbpresent simple - I / you / we / they leach BrE /liːtʃ/ 🔊 NAmE /liːtʃ/ 🔊present simple - he / she / it leaches BrE /ˈliːtʃɪz/ 🔊 NAmE /ˈliːtʃɪz/ 🔊past simple leached BrE /liːtʃt/ 🔊 NAmE /liːtʃt/ 🔊past participle leached BrE /liːtʃt/ 🔊 NAmE /liːtʃt/ 🔊 -ing form leaching BrE /ˈliːtʃɪŋ/ 🔊 NAmE /ˈliːtʃɪŋ/ 🔊 (specialist) [intransitive] ~ (from sth) (into sth) | ~ out/away (of chemicals, minerals, etc. 化学物质、矿物质等) to be removed from soil, etc. by water passing through it 淋洗;淋失Nitrates leach from the soil into rivers. 硝酸盐由土壤淋洗入江河。🔊🔊 [transitive] ~ sth (from sth) (into sth) | ~ sth out/away (of a liquid 液体) to remove chemicals, minerals, etc. from soil 过滤;滤去The nutrient is quickly leached away. 养分很快就被滤掉了。🔊🔊