✅ 同义词
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
This square table is good.
这张方桌很不错。
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。