Limonitization
褐铁化作用
🗣️ 情景例句
I would like to charge this.
我想用信用卡付账。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
The firm closed down because there wasn't enough demand for its product.
工厂关门了，因为产品供过于求。