Diamidogen
二胺
🗣️ 情景例句
You think so?
你这样认为？
A friend without faults will never be found.
没有缺点的朋友是永远找不到的。
An aeroplane offers you an unusual and breathtaking view of the world.
飞机上，你可以观察世界上非同寻常的奇妙的美景。