Pdu
[计] 协议数据单元
🗣️ 情景例句
What power options are available? ( steering, brakes, windows.... )
（这种汽车）有中控系统吗？
The goods were carefully packed and shipped here in excellent condition.
货物包装得很仔细，装船很小心，在这儿完好无损。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？