TUBE

英 [tju:b] 美 [tu:b]

n.

管，管状物; 电子管; 地铁; 电视机

vt.

把…装管; 把…弄成管状; 用管输送

vi.

乘地铁; 不及格

He is fed by a tube that enters his nose.

他靠鼻饲管进食。

The lungs are in fact constructed of thousands of tiny tubes.

肺实际上由上千条细微的气管构成。

I took the tube then the train and came straight here.

我先乘地铁，然后坐火车直奔这里。