🗣️ 情景例句
You remember Charles Maxwell, Grandpa?
你记得Charles Maxwell吗， 爷爷？
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。