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
Let's order pizza.
我们要比萨饼吧。
If this shirt doesn't fit,may I bring it back later?
如果这件衬衫不适合,我以后可以带回来换吗?
The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it and never been attained before.