Ppx
[计]= Packet Protocol eXtension,包规约扩充
🗣️ 情景例句
Are you carrying any items that need to be declared?
你没有携带需要申报的东西吗？
It's up to you to decide.
这主要取决于你。
You can often buy things from their shop on your way home.
你可以经常在回家的路上到商店买你所需要的东西。