Eudalene
优达烯, 1-甲基-7-异丙基萘
🗣️ 情景例句
Five.
五岁。
Let me give you a little fatherly advice.
让我给你有点如父亲般的忠告。
We can negotiate the unit price for large orders.
如果大量订购，单价可以再谈。