Legrandite
基性砷鋅礦
??? 情景例句
I sure I am glad to see you, Dr. Stewart.
真高興見到你來 ，Stewart大夫。
The more a man knows, the more he see his ignorance.
大智若愚。
that the annual drug bill of the Health Services is mounting to astronomical figures
衛(wèi)生部門的年度藥費(fèi)上升到了天文數(shù)字，