您要查找的是不是：
- Are they travelling by boat? Yes, they are. 他们要坐船旅行吗?是。他们是。
- Are they travelling by bus? No, they aren't. 他们要坐公共汽车旅行吗?不,他们不是。
- Are they travelling by car? Yes, they are. 他们要坐小汽车旅行吗?是的,他们是。
- Are they travelling by plane? No, they aren't. 他们要坐飞机旅行吗?不,他们不是。
- They travelled by rail to the coast and thence by boat to America. 他们乘火车到海岸，再从那里乘船去美国。
- They traveled by train to the coast and thenceforth by boat to China. 他们乘火车到海岸，再从那里乘船到中国。
- Are they travelling by plane? No. They're travelling by bird. 他们要乘飞机旅行吗?不,他们将骑鸟旅行。
- His days are spent travelling by boat ministering to his parish. 他的日子是在来回划船去管理教区中度过的。
- Travelling by boat makes me queasy. 我坐船会感到恶心。
- They travelled by rail to the coast and thenceby boat to America. 他们乘火车到海岸,再从那里乘船去美国。
- Are they travelling by car? 他们要坐小汽车旅行吗？
- They travelled by day and stayed at hotels by night. 他们白天行路,晚上在旅馆过夜。
- Every time I traveled by boat, I got seasick. 每次坐船旅行,我都晕船。
- Every time I travelled by boat, I got seasick. 我每次乘船都晕船。
- 3. They traveled by train to the coast and thenceforth by boat to China. 他们乘火车到海岸，再从那里乘船到中国。
- Admittedly we can make the journey by train,but there is no harm in our travelling by boat. 乘车固可，乘船亦无不可。
- They travelled by day and stay at hotel by night. 他们白天行路，晚上在旅馆过夜。
- Admittedly we can make the journey by train, but there is no harm in our travelling by boat. 乘车固可，乘船亦无不可。
- They traveled by different roads. 他们走着不同的道路。
- Are you going to America by boat or by plane? 你到美国是坐船还是坐飞机？
