Dalembertian
达兰伯算符
🗣️ 情景例句
Come over to my place at you convenience.
方便时请来我处。
We can quote you a gross price, inclusive of delivery charges, of 38.50 pounds per 100 items. These goods are exempt form VAT.
我们可以给你方报毛价，每一百件38。5英镑含运费。这些货物免收增值税。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？