Heterobetulin
[化] 杂桦木醇; 杂白桦脂醇
🗣️ 情景例句
I'm about to go to the Post Office.
我正要去邮局。
The offer is made without engagement. All orders will be subject to our written acceptance.
此报盘没有约束力，所有定单以我方书面接受为准。
A man without an education, many of us believe,
我们许多人都相信，一个没有受过教育的人，