Derustit
电化学除锈法
🗣️ 情景例句
What a pity! We have another party that day.
太可惜了，我们那天也有个聚会。
The snow will soon be deep enough to ski on.
雪将会很快就积到可以滑的深度了。
Good morning, class.
同学们，早上好。