Xanthogenamide
乙黄原酰胺
🗣️ 情景例句
She was a beauty in her day.
她年轻的时候是个美人儿。
The more a man knows, the less he knows he knows.
懂得越多，就越知道自己懂得不多。
What kind of quality control do you have?
你们用什么办法来控制质量呢？