权威例句
- 1. A boy of about ten came up on roller-skates.
- 一个10岁左右、脚蹬旱冰鞋的男孩滑了过来。
- 2. I've been on an emotional roller-coaster since I've been here.
- 自从我到了这里，情绪就起伏不定。
- 3. The last few weeks have been a real roller coaster.
- 过去的几个星期，形势真是变幻莫测。
- 4. a pair of roller skates
- 一双旱冰鞋
- 5. A steam roller is used in making and repairing roads.
- 蒸汽压路机用来修筑道路.