Define yttrium. yttrium synonyms, yttrium pronunciation, yttrium translation, English dictionary definition of yttrium. n. Symbol Y A silvery, malleable metallic element that is found in the same ores as other rare-earth elements and is used in various m
a并且纠正了之前错误的发音 And corrected before wrong pronunciation[translate] aDon T Get Funny With My Money 唐T得到滑稽与我的金钱[translate] a你是不是想家里食物 In you miss homeland food[translate] a我在高一四班就读,所有主要课程有:语文、数学、英语、物理、化学、电脑 I in the high 14 class...