Nonadecyl
十九(烷)基
🗣️ 情景例句
What's happening in Singapore recently?
近来新加坡的情况怎样？
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。
It's not his work that bothers me; it's his attitude.
困扰我的不是他的工作，而是他的态度。