Defensor
保护装置
🗣️ 情景例句
You might want to read up a little on the culture before you get there.
去那儿之前，你应该读一些关于那边文化方面的书。
My country is rich in natural resources.
我国自然资源丰富。
Jack is trying to cut down on smoking.
竭克正竭力戒烟。