Yttrialite
n. 硅釷釔礦
??? 情景例句
Yes, you are through with it. I hope you will enjoy your stay in China.
是的，檢查完畢。希望您在中國過得愉快。
You can't count on Tom being punctual.
你不要指望湯姆會守時。
It was not that Bruce always underestimated difficulties.
這并不是說布魯斯總是低估困難，