Dimethoxycoumarin
[医] 东喘宁, 二甲香豆素
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
Which of your arms is sore?
你哪个手臂酸呀？
I am not sure whether I can lend you any money. I may not have enough.
我也不清楚能否借钱给你。我自己可能都不够。