Didymia
氧化釹鐠
??? 情景例句
Can you tell me how to get to Linden Street, in Riverdale?
你能告訴我怎么去Riverdale的林登街嗎?
I have to go now.
我必須走了
I don't want to know what it's been; I want to know what it is now.
我不想知道它曾經是什么；我想知道它現在是什么。