Cyancoumarin
[化] 氰基香豆素
🗣️ 情景例句
It's an album of pictures of the United States:
是关于美国的
Won't you buy me a newspaper on your way home?
回家的时候，替我买份报纸好不好？
Is there anything else I can do for you?
还有什么事我可以帮忙吗？