Plb
abbr. personal locator beacon 人员失事示位信标; plumber 水管工人; plumbing 铅工业; 铅管品制造
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
Weeds want no sowing.
杂草不需种。
We are prohibited from smoking on school grounds.
我们被禁止在校园内抽烟。