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- Human sperm after induction of acrosome reaction was pretreated with anti-MR serum and subsequently processed in sperm penetration assay (SPA). 用抗血清处理顶反应后的人精子，并进行去透明带金黄地鼠卵的精子穿透实验（SPA），观察其体外受精情况。
- sperm penetration assay 精子穿透测定
- Keywords varicocele;zona-free hamster oocyte penetration assay（SPA）;sperm;penetration rate; 精索静脉曲张症;去透明带地鼠卵穿透试验（SPA）;精子;穿卵率;
- The male sperm fertilizes the female egg. 雄性的精子使雌性的卵子受精。
- We will make an assay of the ore that he brought. 我们将对他带来的矿石做实验鉴定。
- sperm penetration meter 精子穿透能力计量器
- The spa was built in Roman times around hot mineral springs. 该温泉是在罗马时代在热矿泉附近修建起来的。
- sperm penetration path 精子穿入道
- sperm penetration test 精子穿卵试验
- Resistant to penetration by water but not entirely waterproof. 抗水的能抵抗水的渗透但不完全防水的
- After chemical assay, we have known the composition of the ore. 经过化学分析，我们知道了矿石的构成。
- sperm penetration 精子穿入
- Naturally occurring mineral water, as at a spa. 矿泉水自然出产之矿质水，如矿泉中的水
- Bhattarai: We are discussing this with the SPA. 巴塔拉依：我们正在和七党联盟讨论这个问题。
- This is the largest sperm whale in the world. 这是世界上最大的一头巨头鲸。
- A: Your hotel has a spa and a casino? 你的旅馆有温泉和赌场?
- oocyte penetration assay 精子穿透卵母细胞检测
- Let's go to spa and relax spa pool this weekend. 这个周末我们一起去温泉，泡温泉放松一下！
- Only one sperm fertilizes an egg. 只有一个精子使卵子受精。
- Sperm race towards the unfertilized egg. 精虫朝未受精的卵子冲去。
