Derustit
电化学除锈法
🗣️ 情景例句
He said I should call him.
他说我可以打电话给他。
One half of the world does not know how the other half lives.
贫富不相知。
It was one of the biggest buildings of all time and a lot of people from many countries came to see it.
它是有史以来最高大的建筑物之一，因此，人们从各个国家纷纷前来参观。