Leaching tetroxide
[医] 四氧化铅, 红铅, 铅丹
🧩 词语组成解析
[计] 浸提, 浸析\\n[化] 浸取; 浸提; 沥滤; 沥取; 液固萃取
n. 四氧化物\\n[化] 四氧化物
🗣️ 情景例句
It only takes eight minutes by bicycle to the aerobics class.
骑自行车去上有氧运动课只需要八分钟。
I've got a terrible pain in my back.
我的背很痛。
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.
是的，因此在地板牢固前，我们必须防止人们从地板上行走。可能还需要竖一个布告牌，写上“不得践踏”。还有，我们必须在墙上钻一个电线孔。