您要查找的是不是：
- Emu eggshell(powder)was given to immature male mice for 21 days,and sperm activity of male mice was detected. 目的：观察国产鸸鹋蛋壳粉对应激小鼠性功能及幼龄小鼠精子活性的影响。
- Keywords Zinc Sperm count Sperm activity Seminiferous tubul; 锌;精子数;精子活动率;生精小管;
- The male sperm fertilizes the female egg. 雄性的精子使雌性的卵子受精。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- Objective: To investigate the probable mechanism of Zhibai Dihuang Wan(ZBDHW) treating Ureaplasma Urealyticum (UU) prostatitis and its influence on sperm activity。 目的：探讨知柏地黄丸治疗UU前列腺炎以及通过对治疗该病而影响精子活力的可能机理。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- This is the largest sperm whale in the world. 这是世界上最大的一头巨头鲸。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- 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。
- Fish sperm, including the seminal fluid. 精液，鱼白鱼的鱼白，包括精液
- A center of interest or activity. 中心兴趣或活动的中心
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- Sperm (spermatozoon:)Male reproductive cell. 精子:雄性生殖细胞。
