Magnesia
[ [mæg'ni:ʃə] ]
出国 Abroad
n. 氧化镁\\n[化] 氧化镁
📖 牛津释义
magnesia
n[U]
white tasteless powder (carbonate of magnesium) used in liquid form as a medicine, and in industry 氧化镁; 镁氧.
🗣️ 情景例句
Am I making sense?
我把意思说明白了吗？
Then this evening I went jogging with my wife.
接着今天晚上我和妻子一起去慢跑。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。