🗣️ 情景例句
What are you up to?
你呢？你怎样？
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
Its wool, which had been dyed black, had been washed clean by the rain!
原来羊毛上染的黑色被雨水冲掉了！