Acetulan
[化] 乙酰化羊毛脂醇
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
climbed up the dunes, and sat down on a road.
爬上沙丘，最后停在路上。