Precarcinogen
n. [生化]前致癌物
🗣️ 情景例句
Well, good night.
好吧， 晚安。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。