✅ 同义词
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
Buck up, Billy, Enjoy yourself.
振作起来，比利，快快活活地过日子。
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英语。