Derustit
电化学除锈法
🗣️ 情景例句
Hi, John, how's it going?
嗨，约翰，你好吗？
How much should people demand of their governments?
国民对其政府应该要求多少呢？
Travelling at a height of 30,000 feet, far above the clouds, and at over 500 miles an hour is an exhilarating experience.
腾云驾雾，在30，000 英尺高空以500英里的时速旅行，这种经历令人心旷神怡。