Blackdamp
n. 窒息性空气\\n[医] 乌烟, 窒息毒气(矿内煤源所产生的毒气)
✅ 同义词
🗣️ 情景例句
Why do you plan to leave the present job?
你为什么打算离开现在的工作？
He studied quite a lot.
他非常用功。
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。