Calculuses
微积分, 微积分学, 计算, 演算, 结石, 积石, 牙垢
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
This part of the country is very mountainous.
这个国家这一部分有很多山。
They will be coming by train and most of the young people in the town will be meeting them at the station.
他们将乘火车来，镇上的大部分青年人将到车站迎接他们。