劍橋詞典biology formal having a similar position , structure , value , or purpose （位置、結(jié)構(gòu)、價(jià)值或目的等）相似的，相應(yīng)的 specialized in biology , having the same origin although now having a different purpose or shape as a result of evolution (= gradual change over millions of years ) 同源的（生物學(xué)術(shù)語(yǔ)，指經(jīng)過(guò)了數(shù)百萬(wàn)年的進(jìn)化演變，盡管形態(tài)、用途已不盡相同，但擁有相同的起源） The wing of a bat and the arm of a man are homologous structures . 蝙蝠的翅膀和人類的手臂是相應(yīng)的同源結(jié)構(gòu)。 返回 homologous