Zedeflon
四氟乙烯均聚物
🗣️ 情景例句
It's Carl's birthday,
今天是Carl的生日，
I worked at the factory this afternoon.
我今天下午在工厂工作。
that I was a new boy in a huge school, and I would have been very pleased to be regarded as something so interesting as a problem.
我是一所大学里的一名新生，如果我当时真的被看成像一个问题那样有趣，我会感到很得意的。