Lawsone
[化] 2-羟基-1,4-萘醌\\n[医] 散沫花素
🗣️ 情景例句
I can't build a fire by rubbing two pieces of wood together.
我总不能靠着磨擦两片木柴来取火吧。
When an opportunity is neglected, it never comes back to you.
机不可失，时不再来。
Every year, several classes visit the factory.
每年都有好几个班去参观这家工厂。