Protogen
硫辛酸
🗣️ 情景例句
He didn't want to borrow any money.
他不想借钱。
We are very interested in your printed pure silk scarves, could you give us some idea about your price?
我们对贵方的印花真丝围巾很感兴趣，请介绍一下贵方的价格好吗？
From now on, he will wear a suit all day and others will call him 'Mr.Bloggs', not 'Alf'.
从此，艾尔弗可以一天到晚穿西服了。别人将称呼他为“布洛格斯先生”，而不再叫他“艾尔弗”了。