乘地铁

• by tube
• by subway

例句

1. 我经常乘地铁去上班。
   I go to work on the tube.
2. 我们坐出租车去再乘地铁回来好吗？
   Shall we take a cab there and come back by subway?
3. 她妻子每天早晨乘地铁去办公室上班。
   His wife travels to the office by tube every morning.
4. 我想乘地铁去那儿。
   I want to get there by subway.