✅ 同义词
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
You're wasting you breath.
你在白费口舌。
But they would not listen to him. When they came to the river, a white man was waiting in the boat for them.
但是他们不听，当他们来到江边时，一个白人正在船上等着他们。