drain
名词 drain:
emptying something accomplished by allowing liquid to run out of it
同义词:drainage
tube inserted into a body cavity (as during surgery) to remove unwanted material
a pipe through which liquid is carried away
同义词:drainpipe, waste pipe
a gradual depletion of energy or resources
动词 drain:
flow off gradually
同义词:run out
deplete of resources
empty of liquid; drain the liquid from
make weak
同义词:enfeeble, debilitate