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
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
Fall sick and you will see who is your friend and who is not.
困难见友情。
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都会消耗完其能量（整个宇宙是否如此，目前尚有争论）。