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
I know that.
我知道。
The black ox has trod on his foot.
祸事临头。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。