n. 管,管狀物;電子管;地鐵;電視機(jī);
vt. 把…裝管;把…弄成管狀;用管輸送;
vi. 乘地鐵;不及格;
tub- 表”管道”
??? 情景例句
We've been listening to you both.
我們一直在聽你們朗誦。
If you have no hand, you cannot make a fist.
巧婦難為無米之炊。
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.