Plss
abbr. 携带式生命保障系统（Portable Life Support System）
🗣️ 情景例句
There is no hope of success.
没有成功的希望。
Dad is building another room onto the back the house.
爸爸另外在屋子的后面盖一个房间。
Now Alfred began a long series of skirmishes -- and within a month the Danes had surrendered.
这时，阿尔弗雷德发起一连串小规模的进攻，结果不出一个月，丹麦人就投降了。