Manganilmenite
锰钛铁矿
🗣️ 情景例句
We cannot leave this problem unattended.
这一问题我们不能置之不理。
Remember me to your grandmother please.
请替我问候你的祖母。
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。