Thoreaulite
鉭钖礦; 鉭钖礦
??? 情景例句
Try again.
再試一次。
He most lives who lives most for others.
活著對(duì)別人貢獻(xiàn)最多的人，活得最有意義。
This, however, means nothing.
但是，這沒(méi)有什么關(guān)系，