Mangancolumbite
铌锰矿
🗣️ 情景例句
It's really different from what I expected.
这和我想象中的很不一样。
Their grandchildren are grown up now.
他们的孙子现在长大了。
Mr Shute was a farm worker, and he didn't have much money.
舒特先生是个农场工人，他挣不到很多钱。