Azomethane
偶氮甲烷
🗣️ 情景例句
Yes. About four years ago.
是的 ，大约四年前走的。
The restaurant was full, so we decided to go to another place.
那餐厅客满了，我们决定到另一个地方去。
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。