Hexanedione
[化] 己二酮
🗣️ 情景例句
It's not fair, Richard. I'm not even ready.
这样不公平， Richard。我甚至一点准备都没有。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
Come in and sit down. Wei Hua!
进来坐坐，魏华！