Ferrum collosol
[医] 铁溶胶
🧩 词语组成解析
<拉>n.[化]铁
n. 溶胶\\n[化] 溶胶
🗣️ 情景例句
Is something the matter, Grandpa?
怎么了，爷爷？
It's a beautiful country with many large rivers.
这个国家很美，它有很多大河。
Yes, it was. But it's much colder today.
是的，昨天冷。但是今天更冷。