Pai
abbr. 个人事故保险（Personal Accident Insurance）；血浆酶原激活酶抑制因子（plasminogen activator inhibitor）；聚酰胺-酰亚胺（Polyamide-Imide）
🗣️ 情景例句
If you'd like to hear some new English songs, I suggest you download them from the web.
如果你想听一些新的英文歌，我建议你上网下载。
Your question is how we developed our product?
你的问题是我们是如何发展我们的产品？
OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where
00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。