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;
tub- 表”管道”
🗣️ 情景例句
I've had a pretty high fever since yesterday morning.
从昨天早上起,我就一直发高烧。
I suppose it might be gold.
说不定是金子啊。
If you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will be received even though the office is not open.