乘火车

• entrain
• take a train
• by train
• train it

例句

1. 五岁以下的儿童乘火车通常免费。
   Children under five usually travel free on trains.
2. 我们决定乘火车去。
   We chose to go by train.
3. 乘火车要快得多。
   It is quicker by far to go by train.
4. 我们乘火车到伦敦，然後换长途汽车。
   We'll go by train as far as London, and then take a coach.
5. 他们乘火车到海岸，再从那里乘船到中国。
   They traveled by train to the coast and thenceforth by boat to China.