Diketone
n. [化]二酮
🔁 扩展释义
【医】 二酮
🗣️ 情景例句
but now what?
但下一步怎么办？
He who pleased everybody died before he was born.
众口难调。
Our knowledge of the universe is growing all the time.
我们对宇宙的认识一真在增长。