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		cave-in 英ˈkeɪvˌɪn美ˈkevˌɪnAHDkāvʹĭn' ★☆☆☆☆高COCA⁵⁶¹⁵⁸BNC⁷⁵⁹⁹¹⁺¹²iWeb⁴¹⁶⁹⁴ 基本英英搭配记法近义反义例句 n.陷落¹⁰⁰
  名词 cave in: the sudden collapse of something into a hollow beneath it 动词 cave in: break down, literally or metaphoricallycave in下陷 cave-inS.名化|生|医⇒n.陷落近义词 fall落下drop落下slide滑动surrender投降U-turnU形转弯demolition破坏yielding柔软的concession让步withdrawal撤退about-face向后转about-turn向后转collapse使倒塌capitulation有条件投降
  名词50%,形容词50% 用作名词The outer layers of the star would literally cave in.恒星外层会向内陷落。 |