Definition: most important or main Level: B2
该地区的主要问题是感染的传播。
The ___chief problem in this area is the spread of infection.
我们旅行的主要原因是美丽的天气。
The ___chief reason for our trip was the beautiful weather.
这是反对圈养动物的主要论点。
This is the ___chief argument against keeping animals in captivity.
