Colicinogen
促大肠桿菌素因子
🗣️ 情景例句
who really needs to be wearing a tuxedo,
真正需要穿燕尾服的人，
Compared to the previous model, our new model is less expensive and easier to use.
与旧型机比较我们的新型价格便宜且更容易操作。
Hello. Is that Li Lei?
喂。你是李雷吗？