jettison

名词 n. 动词 v.
中文释义
英 /ˈd͡ʒɛtɪsn̩/|/-zn̩/    美 /ˈd͡ʒɛɾəsən/|/ˈd͡ʒɛtɪsən/|/ˈd͡ʒɛtɪsn̩/|/-zn̩/

英文释义

名词 n.
  1. Items that have been or are about to be ejected from a boat or balloon. collective,uncountable
  2. The action of jettisoning items. countable
动词 v.
  1. To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load.
    — The ballooners had to jettison all of their sand bags to make it over the final hill.
  2. To let go or get rid of as being useless or defective. figuratively
    — Among the most modern of all the Pacific stock in Great Britain is the stud of "Merchant Navy" and "West Country" Pacifics on the Southern Region, and the rebuilding which is now being carried out, preserving all the best features of the Bulleid designs—such as the free-steaming boiler—and jettisoning the features that have given trouble, in particular the chain-driven valve-motion, should give the Southern a supply of highly-competent machines able to last out the remaining life of steam on the S.R.

词形变化

jettisons plural jettisons present,singular,third-person jettisoning participle,present jettisoned participle,past jettisoned past

词汇关系

衍生词
jettisonable unjettisoned

词源

词源 1
From Anglo-Norman getteson, from Old French getaison, from geter, jeter (modern French: would be *jetaison like pendaison); possibly from a Vulgar Latin *iectātiō, from *iectātus < iectāre, from Latin iactō. Doublet of jetsam.
词源 2
From Anglo-Norman getteson, from Old French getaison, from geter, jeter (modern French: would be *jetaison like pendaison); possibly from a Vulgar Latin *iectātiō, from *iectātus < iectāre, from Latin iactō. Doublet of jetsam.
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