Pdu
[计] 协议数据单元
🗣️ 情景例句
World fashion used to be dictated almost entirely by the European designers.
世界时间潮流过去几乎都是由欧洲设计师所引导的。
My cousin is a member of a flying club, He seem private flying.
我的表兄是一个飞行俱乐部成员，他似乎很喜欢飞行。
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。