Dihydroxycoumarin
[医] 二羟基香豆素
🗣️ 情景例句
and I think
我觉得
How long will ti take you to finish the work?
你要花多长时间才能完成那项工作？
Glancing at it briefly, the dealer told him that it was worth $50.
古董商漫不经心看了一眼那幅画，告诉弗兰克那画值50英镑。