Staflux
烧结熔剂(铁矿石与石灰烧结成的产品)
🗣️ 情景例句
I've let my health deteriorate.
我的健康恶化了。
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。