Protocatechuyl
[化] 原儿茶基; 3,4-二羟苄基
🗣️ 情景例句
that I never could have done this book
我不可能完成这本书
Sorry kept you waiting so long. You are on .
抱歉让你久等了，接通了。
A lost chance never returns.
错过的机会永不再来。