Deerite
羟硅锰铁石
🗣️ 情景例句
and make sure that it is in good condition
确定它状 良好
He has a pair of shoes.
他有一双鞋。
He insisted on the assistant's counting the money before he left -- 30,000 pennies in all!
这些硬币加在一起共有30，000枚！