Aetite
褐铁矿结核, 矿石结核, 瘤状矿石
🗣️ 情景例句
My niece is getting married,
我侄女即将结婚，
Why are you so excited?
你为什么这样兴奋？
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。