Occrycetin
盐酸土霉素
🗣️ 情景例句
But it's not going to be easy.
不过这事可不容易。
Better a little fire to warm us, than a great one to burn us.
适量的火好取暖，熊熊烈火能焚身。
You'd better let her alone.
你们最好是让她一个人呆会儿。