Nitralising
硝酸钠溶液浸渍净化法
🗣️ 情景例句
They live from hand to mouth.
他们过着糊口的生活。
I only had time to visit Edinburgh.
我只有时间去爱丁堡。
The fire service began to wonder whether a gas might have caused the fire.
消防部门开始怀疑有一种气体可能会导致火灾。