Silicas
[醫] 硅酸鹽
??? 情景例句
They're both students of the performing arts.
他們兩個都是的搞表演藝術的學生。
Art is long, life is short.
藝術恒久，生命短暫。
Is the population of the world still growing?
世界人口仍然在增長嗎？