Burrstone
[机] 磨石
🗣️ 情景例句
Sure.
当然。
We can't make a decision without thinking it over.
我们不能不考虑，就作决定。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，