vt. & vi.
(使)流干, (使)逐漸流走
It was not easy to drain the flooded mine.
排干礦坑里的積水不容易.
vt.
喝光, 喝干
Let's drain the glass dry.
咱們把這杯喝干吧.
n.
排水溝, 排水管
The drain was choked up with dirt.
排水管被污物堵住了.
流盡, 用光
His wife's illness has been a great drain on his income.
他妻子的病要用去他的大部分收入.