Olefins
n. 烯烃; 链烯
🗣️ 情景例句
Let me tell you about your dinner.
我告诉你晚餐是什么。
He might not be here.
他可能不在这儿。
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。