Sideroferrite
木化石中發(fā)現(xiàn)的天然鐵
??? 情景例句
I'd like to know more about...
我想知道其他關(guān)于…
Don't worry, leave everything to me.
你不必擔(dān)心，一切還有我哪！
How old are you in the picture?
相片里的你多大了？