Prb
abbr. principal borehole 主钻井
🗣️ 情景例句
when Max is ready to use it?
当Max长大能使用这手套时吗？
Knowledge without practice makes but half an artist.
只有知识而无实践，只能造就半瓢水的艺术家。
Indeed, it may well be that those whose work is their pleasure are those who most need the means of banishing it at intervals from their minds.
说实在的，把工作当作享受的那些人可能最需要每隔一段时间把工作从头脑中撇开。