Ytterbite
(=gadolinite)n.硅鈹釔礦
??? 情景例句
What do you do for a living?
你是做什么的？
My steak is so tough that it tastes like shoe leather.
我的牛排硬得像靴子上的皮革。
and as the number of stars in the universe is so vast,
因為宇宙中恒星的數目極其龐大，