Bellond
牲畜铅中毒
🗣️ 情景例句
Rotten weather, isn't it?
天气糟透了， 不是吗？
During the two years since I took charge of the department.
在我负责这个部门的两年中。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？