Mesitylic acid
[化] 2,4,4-三甲基-5-氧代脯氨酸
🧩 词语组成解析
🗣️ 情景例句
I appreciate your counter-offer, but find it too low.
谢谢你的还价，但我觉得太低了。
It is never too old to learn.
为学不怕年高。
I stopped and he asked me for a lift.
我把车停下，他向我提出要求搭车。