Diazoethane
重氮乙烷
🗣️ 情景例句
I remember.
我想起来了。
Do you want to remit the money by air mail or by cable, sir?
您想要航空信还是电汇，先生？
but it suddenly caught sight of the drunk who was shouting rude remarks and waving a red cap.
但突然它看见了醉汉，只见他正大声说着粗鲁的话，手里挥动着一顶红帽子。