Terpadienone
萜二烯酮
🗣️ 情景例句
Unfortunately, no.
很遗憾，没有。
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
The children compete against each other to reach the other end of the pool.
孩子们比赛看谁先到达游泳池的另一端。