Plb
abbr. personal locator beacon 人員失事示位信標; plumber 水管工人; plumbing 鉛工業; 鉛管品制造
??? 情景例句
Did you look at them?
你看過了嗎？
Why are you squealing, my friend?
朋友，你為什么要發出尖叫？
At this time, the man downstairs was trying to sleep.
這時樓下人正試圖入睡。