Sourcebook
n. 原始资料(集),资料读物
🗣️ 情景例句
I'm not sure. I'll have to check.
我不能确定，我必须查一下。
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
They discovered that the farther away the feeding station was, the slower the dance was.
他们发现离喂食点越远，蜜蜂就跳得越慢。