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He gave me an apple in exchange of an orange. 他给我一个苹果，交换一个橙子。
An exchange of opinions is helpful. 相互交换意见是有益的。
But what's the sense of this mass exchange of populations if the nations of the world remain basically ignorant of each other? 但如果各国仍然互相不了解,大规模的人口交流有是意义?
The density of population in this city is very high. 这个城市的人口密度非常高。
Communication by the exchange of letters. 通信联系通过信的交换而进行的交流
Demography is the analysis of population variables. 人口学是对人口变量的分析。
The letters page serves as a useful forum for the exchange of readers' views. 读者来信版是读者们交换意见的有益园地。
We now come to the question of population. 现在我们开始谈人口问题。
Let's have an exchange of views on the matter. 我们对这件事交换一下意见吧。
Do you know the density of population in this area? 你知道这个地区的人口密度吗?
The exchange of thy love's faithful vow for mine. 你还没有把你的爱情的忠实的盟誓跟我交换。
No,actually,it's more a matter of population. 不，实际上这更是一个人口问题。
The exchange of prisoners during a war is unusual. 战时很少交换俘虏.
Description for type of population. 对填充类型的说明。
The exchange of service is called a side out. 交换发球权叫换发球。
Censuses of population and statistical yearbooks. 人口普查与统计年报。
To make an exchange of one thing for another. 交换用一物与另一物进行交换
Japan has a high density of population. 口密度很大。
An exchange of one thing for another. 交换以一样东西换取另一东西
Lack of population control can result in poverty. 不进行人口控制会造成贫穷。