| 单词 | chain |
| 释义 | Word Frequency chain(tʃeɪn) noun 1. a flexible length of metal links, used for confining, connecting, pulling, etc, or in jewellery 2. (usually plural) anything that confines, fetters, or restrains the chains of poverty 3. Also called: snow chains (usually plural) a set of metal links that fit over the tyre of a motor vehicle to increase traction and reduce skidding on an icy surface 4. a. a number of establishments such as hotels, shops, etc, having the same owner or management b. (as modifier) a chain store 5. a series of related or connected facts, events, etc 6. a series of deals in which each depends on a purchaser selling before being able to buy 7. (of reasoning) a sequence of arguments each of which takes the conclusion of the preceding as a premise See (as an example) sorites 8. Also called: Gunter's chain a unit of length equal to 22 yards 9. Also called: engineer's chain a unit of length equal to 100 feet 10. chemistry two or more atoms or groups bonded together so that the configuration of the resulting molecule, ion, or radical resembles a chain See also open chain, ring1 (sense 18)11. geography a series of natural features, esp approximately parallel mountain ranges 12. off the chain 13. jerk someone's chain verb 14. surveying to measure with a chain or tape 15. (transitive; often foll by up) to confine, tie, or make fast with or as if with a chain 16. to sew using chain stitch Word origin C13: from Old French chaine, ultimately from Latin; see catenaWord Frequency Chain(tʃeɪn) noun Sir Ernst Boris. 1906–79, British biochemist, born in Germany: purified and adapted penicillin for clinical use; with Fleming and Florey shared the Nobel prize for physiology or medicine 1945 |
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