Manganochromite
錳鉻鐵礦
??? 情景例句
with two or three other college friends.
邀兩到三個其他的大學朋友一起。
How long have you had it?
你得這病多久了？
Excuse me, Mr Green. I can't find the twins.
對不起，格林先生，我找不到那對雙胞胎了。