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- spermatogenesis and oogenesis 精卵发生
- Male rats and mice with chemically induced folate deficiency have impaired spermatogenesis and are infertile. 要是以化学方法使雄性大鼠与小鼠体内缺乏叶酸，牠们制造精子的机制就不能正常运作，因而丧失生殖能力。
- CONCLUSION:Disturbance of spermatogenesis and damage of sertoli cell are the main morphological change of diabetic testis, lipid peroxidation and NO may be involved in it. 结论：糖尿病大鼠睾丸病变主要为支持细胞受损及生精障碍，其可能与脂质过氧化作用及NO所致的损伤有关。
- A complete understanding of proteins expressed in the human testis will provide biological information on mechanism underlying spermatogenesis and male reproductive regulation. 在整体水平上对人睾丸的蛋白质表达谱进行分析，将为阐明精子发生以及男性生殖调控的分子机理提供重要信息。
- Objective: To study the relationship between the reproductive hormone level in azoospermic men with varies causes and testis function of spermatogenesis and pathologic sites. 目的:探讨不同病因无精子症患者生殖激素水平及病变部位和睾丸生精功能的关系。
- The ovary and oogenesis developmental responses of Telenomus theophilae due to different diets(water solution of honey,sucrose,glucose,fructose and mannose) were tested. 以20%25浓度蜂蜜、蔗糖、葡萄糖、果糖、甘露糖为食料,研究了它们对野蚕黑卵卵巢发育和卵子发生的影响。
- Dibromoacetic acid (DBA) and bromochloroacetic acid (BCA) are prevalent disinfection by-products of drinking water known to produce defects in spermatogenesis and fertility in adult rats. 背景：高科技产业产品之制造环境所需条件控制愈趋严格，例如温度与湿度条件，以达到产品顺利制造及提高良率。
- Cloning of spermatogenesis related genes and further functional study are very important to the elucidation of molecular mechanism involving in spermatogenesis and spermiogenesis process. 克隆睾丸精子发生相关基因并研究其功能，对于揭示精子发生过程中减数分裂和变态的分子机制，对于临床男性不育的诊断和治疗以及男性分子节育等均具有重要的意义。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。
- He sprang up and rushed to the door. 他跳起身，跑到门口。
- He took sick and died a week later. 他得了病，一周后就死去了。
- He's been in and out of prison for years. 他多年来屡次进出监狱。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The child was tired and fretful. 那孩子又疲倦又烦躁不安。
- Routine office work is my bread and butter. 日常的办公室工作是我的谋生之道。
- Language teaching is both a science and art. 语文教学既是一门科学又是一种艺术。
