Nemagon
二溴氯丙烷
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
I tried to telephone you but I couldn't get through.
我试着打电话给你，但都没有打通。
What's the weather like in spring?
春季的天气怎么样？