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
Is it all right if I use my credit card?
如果我使用信用卡行吗?
The telepnone is out of order.
这电话出毛病了。
It soon became clear that the straight part of the dance changed when the sun's position changed. If the feeding place was toward the sun, the dancer headed straight upward during the straight part of the wagging dance.