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sperm [spə:m] 
词性及解释
  • n.
    精液, 精虫, 鲸油, 抹香鲸
  • 【化】
    鲸蜡油
  • 【医】
    精液; 精子
英英解释
  • 1.
    n.the male reproductive cell
    [例]
      the male gamete
      a sperm is mostly a nucleus surrounded by little other cellular material
常用词组
例句
  • 1.
    Jelly fish reproduce by releasing eggs AND sperm into the sea.
    水母将卵和精液排入大海而繁殖。
  • 2.
    The entity formed by the union of the male sperm AND the female ovum;an embryo or a zygote.
    合子精子与卵子结合成的物体;胚胎或合子
  • 3.
    When he judges it is safe to DO so, he inserts the end of a pedipalp into the female's reproductive opening and discharges the sperm it carries
    当它确定安全时,便将须肢末端插进母蜘蛛的生殖孔中并放出它所携带的精液。
  • 4.
    The sperm protein used in the new birth control vaccine is called Ph-20. So far it has only been found in Guinea pigs.
    在新节育疫苗中使用的精子蛋白叫PH.20。到目前为止仅见于豚鼠。
  • 5.
    ParthenogenesIS in which the egg IS activated by sperm,but without fusion of the egg and sperm nuclei.
    雌核生殖一种单性生殖,精子激活卵子,但是卵子和精子核没有融合
  • 6.
    The haploid nucleus of a sperm or egg before fusion of the nuclei In fertilization.
    原核授精的核聚变之前的精子或卵子的单倍体核
  • 7.
    This is the largest sperm whale In the world.
    这是世界上最大的一头巨头鲸。
  • 8.
    A mIniature,fully formed Individual believed by adherents of the early biological theory of preformation to be present In the sperm cell.
    雏型人一个微型的,充分成形的个体,早期生物理论预说的拥护者认为它存在于精子细胞中
  • 9.
    One of our doctors said that sInce the chemotherapy could render Keith sterile, we might consider storIng some of Keith's semen In a sperm bank.
    有个医生建议,由于化疗可能使基思失去生育能力,最好考虑将基思的精液储存在精液库里。我们照办了。
  • 10.
    The vaccine works by blocking Male sperm cell from joining feMale egg cell.
    疫苗阻断雄鼠精细胞同雌鼠卵细胞结合。

小测验:选择正确的单词

n. 球, 球面, 球体, 天体, 地球仪, 范围 vt. 包围, 使成球体, 放入球内
  • A.sdpheroid
  • B.sdphericity
  • C.sdpherical
  • D.sdphere
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