Purothionine
嘌呤硫素
🗣️ 情景例句
Just cool down.
冷静一点。
In good years corn is hay, in ill years straw is corn.
丰年五谷贱如草，荒年稻草贵如粮。
At first I thought I'd done the right thing, but I soon realized that I'd made a mistake.
开始我以为我做对了，但是很快就发现自己犯了个错误。