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
Morning.
早安。
Being on sea, sail; being on land, settle.
随遇而安。
To serve the people well, I study hard.
为了更好的服务于人民，我好好学习。