Prb
abbr. principal borehole 主钻井
🗣️ 情景例句
If you had to describe the book in one sentence,
假如要你用一句话来描述这本书，
He can't really mean to work against us, can he?
他不可能故意妨碍我们的，对吗？
Mr and Mrs Shute were very sad. But what could they do?
舒特先生和夫人非常难过。但他们有什么办法呢？