Zedeflon
四氟乙烯均聚物
🗣️ 情景例句
Yes, I worked in a fashion shop last summer as parttime sales girl.
有，去年夏天，我曾在一家时装店任兼职售货员。
Mike is already a junior.
迈克已经大学三年级了。
Where's the farm, Li Lei? Is it far?
农场在哪里，李垒？远吗？