短語(yǔ)詞組短語(yǔ)rarer medium 光疏媒質(zhì)Need will be rarer 人人各取所需optically rarer medium 光疏介質(zhì)rarer essential element 微量養(yǎng)分元素Be Even Rarer 則更爲(wèi)罕見(jiàn)frequency the rarer allele pair 一對(duì)稀有等位基因的頻率 返回 rarer