Acetogen
n. [微] 产乙酸菌
🗣️ 情景例句
He's gone out of business.
他失业了。
Be practical!
实际一点吧！
I smoked with concentration and pleasure as I was sure that this would be my last cigarette.
我聚精会神而又愉快地吸着这枝烟。因为我确信这是我最后一枝烟了。