n. 藏垢的场所, 沟渠, 污水槽
vi. 下沉, 沉没, 下陷, 减弱, 衰退, 消沉, 堕落, 渗透
vt. 使低落, 使下沉, 陷于, 投入(资金等), 挖掘
英文释义
n. plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe
n. (technology) a process that acts to absorb or remove energy or a substance from a system
v. fall or descend to a lower place or level
v. cause to sink