Dihydroergosterol
[医] 二氢麦角甾醇
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
I doubt it.
我表示怀疑。
Should we invite Susan to the party?
要请苏三参加舞会吗？