英语词汇primitive streak怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	primitive streak
释义	primitive streak noun Embryology the faint streak which is the earliest trace of the embryo in the fertilized ovum of a higher vertebrate 【胚】原条, 原肠胚。
随便看	en croute encrust encrustation encrypt encryption encrypt something in enculturation encumber encumbrance -ency encyclical encyclopedia encyclopedic encyclopedism encyclopedist encyst encystation encystment end -end endanger endangered endangerment wilder wilderness

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