🗣️ 情景例句
I estimate his age to be about 30.
我估计他的年龄大约30岁。
This is our official offer for each item, CIF Shanghai.
这是我方对每项产品的CIF上海的正式报价。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？