Colicin
n. 大肠杆菌素\\n[医] 大肠杆菌素
🗣️ 情景例句
The best way to promote your products is through advertising.
推广产品最好的方法就是买广告。
All things are difficult before they are easy.
凡事必先难后易。
Never mind.
不要紧。