井壁坍塌的英文怎么说
井壁坍塌的英文: v. 下跌;衰落;下降;(使)倒下 n. 骤降,猛跌,锐减;萧条期;衰退 She slumped into a chair. Gill was dwelling on the consequences of the slump. Net profits slumped by 41%. The slump in global manufacturing seems to be easing. If the slump continues, more men will be stood off. |