n.底部;末端;臀部;尽头;
adj.底部的;
vt.装底;测量深浅;查明真相;
vi.到达底部;建立基础;
例句:
There is some deposit in the bottom of the flask.
这只烧杯的底部有些沉淀物.
The riveter riveted the metal sheets to the ship's bottom.
铆工把薄金属板铆在船底上.
Water was slopping about in the bottom of the boat.
水在船底晃来晃去.