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Female Fertility Chart By Age

Female Fertility Chart By Age - 这种表示方法应该在国外比较普遍,用来表示该螺纹是外螺纹还是内螺纹。 f:female,在螺纹或接头的图纸或样本中,表示 母螺纹 或内螺纹; m:male,则表示 公螺纹 或外螺纹。 p 代表. Sex = male and female gender = masculine and feminine so in essence: Female animals are those that produce ova, which are fertilized by the spermatozoa of males. Chromosomes, hormonal profiles, internal and external sex. 默认排序 摩罗鸠 14 人赞同了该回答 woman来自于 wifman,该词是由wif(女人)man(人)组合而成的; female来自拉丁语 femella,原本与male无关,只是后来被搞错了拼写。 Man,woman;male,female;为什boy,girl? 英语表示男性和女性的词大多有关联,为什么boy和girl看起来没有明显关联 显示全部 关注者 3 The main difference between females and males is that females bear the offspring — and that. The main difference between females and males is that females bear the offspring — and that. 如果对一个英语母语者用「female chicken」代指母鸡,他能理解吗? 关注者 281 被浏览 Female animals are those that produce ova, which are fertilized by the spermatozoa of males.

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