Hatchettolite
鈾鉭鈮礦(鈾、鈣等的鉭鈮酸鹽)
??? 情景例句
My grandfather is very much alive and kicking.
我的祖父還健在。
I know the boy whose father is an architect.
我知道那個男孩的父親是建筑師。
Why? English is the first language in none of these countries.
為什么？在這些國家中英語都不是第一語言。