Plss
abbr. 携带式生命保障系统（Portable Life Support System）
🗣️ 情景例句
It sounded like a dog barking right here.
好像有只狗就在这儿叫。
What are those?
那些是什么？
Suddenly she asked her father why he kept so many old newspapers locked away there,
她突然问父亲为什么把这么多的旧报纸锁在柜子里，