✅ 同义词
🗣️ 情景例句
I don't know.
我不知道。
I saw him last Monday.
我上个星期一看到他。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。