✅ 同义词
🗣️ 情景例句
How come you're not studying?
你为什么不学习？
If you want to be healthy, you have to stop smoking cigarettes.
如果你要身体健康的话，必须停止抽香烟。
Most of the earth's surface is covered by water.
大部分的地球表面被水覆盖着。