Methylator
[医]甲基剂
🗣️ 情景例句
Saving them for today?
留着等今天？
We never know the worth of water till the well is dry.
井干方知水可贵。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起。