Pob
邮政信箱
📖 牛津释义
POB
abbr
缩写 = Post Office Box (number) 邮政信箱（号码）: POB 63 邮政信箱63号.
🗣️ 情景例句
It's been great talking to you.
和你谈得真高兴。
Out of debt, out of danger.
无债一身轻。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，