sac

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Plants, Animals, Biology

sac /sæk/ noun [countable] technical  HBPHBAa part inside a plant or animal that is shaped like a bag and contains liquid or air 〔动物、植物体内的〕囊；液囊

Examples from the Corpus

sac• Be sac and write your story step by step.• The child slipped into the world, still in its birth sac.• The tip of the catheter was positioned directly on the gestational sac.• With these different theories come different conclusions about the history of the skeleton, fins, nasal sacs and so on.• Then he lifted something small and wet; a pale, tiny sac attached by tubes and tendons to the rest.Origin sac (1700-1800) French “bag”, from Latin saccus; → SACK1

sac nounChinese  

Corpus that inside shaped or animal a like part is a plant

sac
sac /sæk/ noun [countable] technicala part inside a plant or animal that is shaped like a bag and contains liquid or air

sacBrE /sæk/ 🔊NAmE /sæk/ 🔊 nouna part inside the body of a person, an animal or a plant, that is shaped like a bag, has thin skin around it, and contains liquid or air （人、动植物体内的）囊，液囊，气囊