Ledikite
伊利石
??? 情景例句
Where can I pick up my package?
我在那兒領(lǐng)取包裹？
I'm always confused with s and th.
我常把s和th搞混。
What was the population of the more developed countries in 1950?
1950年較發(fā)達(dá)國(guó)家的人口是多少？