🗣️ 情景例句
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
Who is the auther of this novel?
谁是这本小说的作者？
The children were leaving school on Tuesday when they saw a truck.
星期二，孩子们正放学回家，这时，他们看见一辆卡车。