Norbolethone
[化] 诺勃酮; 二乙诺酮
🗣️ 情景例句
Please sit down.
请坐下。
The President is going to address the nation on television this evening.
总统今晚将向全国发表电视讲话。
Only very thrifty children manage to fill up a money box.
但是能把储蓄罐装满的只有屈指可数的几个特别节俭的孩子。