Opencast
a. 露天开采的
📖 牛津释义
opencast
adj [usu attrib 通常作定语]
(of mines or mining) at or from a level near the earth's surface （指矿或采矿）露天开采的
opencast coal-mining 露天采煤. Cf 参看 deep-mined (deep2).
🗣️ 情景例句
What's the difference between A and B?
A和B有什么不同？
I dropped the letter in the mailbox on the corner.
我把信放到角落上的邮箱里。
I'll leave a message on his desk.
我将把留言条放在他的桌子上。