Prb
abbr. principal borehole 主钻井
🗣️ 情景例句
If you snack too much, you may get fat.
零食吃得太多，你会长胖的。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。