Ppl
abbr. 等离子体物理实验所[美]（Plasma Physics Laboratory）；等离子体喷射推进实验所[美]（Plasma Propulsion Laboratory）；多用途程序设计语言（Polymorphic Programming Language）
🗣️ 情景例句
Keep quiet about it if you know what's good for you.
什么也别说，免得你自个儿添不自在。
The daily rate is $32.00 plus 39 cent per mile.
日租金32美元，每英里外加3角9分。
It is as if a single unimportant event set up a chain of reactions.
好像是一件无关紧要的小事引起了一连串的连锁反应。