Polyfluoroacrylate
[化] 聚氟代丙烯酸酯
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
I worked at the hardware store this afternoon.
我今天下午在五金行工作。
Great! When are we going to leave?
太好了！我们打算什么时候出发？