您要查找的是不是：
- NOEL in one-generation reproductive study for bobwhite quail >20 ppm, for mallard ducks 0.1 ppm;reproduction hazard at 2 ppm. 白喉鹌鹑一代繁殖试验中的无作用剂量NOEL >20 ppm，野鸭为0.;1 ppm，对生殖造成危害的浓度为2 ppm。
- Study on Reproductive Ecology of Lilium Pumilum DC. 细叶百合的生殖生态学研究
- His years of study were useful in his job. 他多年的学习有助于他的工作。
- How much did it cost you to study abroad? 你出国深造花了多少钱？
- She secludes herself in her study to work. 她把自己关在书房里埋头研究。
- This reference book is very useful to our study. 这本参考书对我们的研究很有用。
- The reproduction studies of difficult substance 3,4-dichloroaniline on Daphnia magna were performed with semi-static and continuous-flow system. 分别采用持续流水式系统和半静态系统为暴露途径,比较研究难溶化学品3,4-二氯苯胺对大型蚤繁殖影响的差异。
- She will never let slip a chance to study abroad. 她绝不会错过出国学习的机会。
- The reproductive quality of audio tapes has improved enormously. 录音磁带的复制质量有了很大改进。
- Her social life get in the way of her study. 她的社交生活妨碍了学业。
- Study well and make progress every day. 好好学习，天天向上。
- She paces the whole class in English study. 她在学习英语方面为全班树立榜样。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- I have a good mind to study abroad. 我很想到国外去读书。
- It is harder to teach than (to) study. 教书比读书辛苦。
- Well as he does in study, he is not arrogant. 虽然他功课很好，却一点都不傲慢。
- You must study hard for the benefit of your own. 为了你自己的利益你必须努力学习。
- You must pay attention to your study. 你必须专心学习。
- Do you feel any aversion to hard study? 你嫌恶努力学习吗？
- I do not care to study English today. 我不喜欢今天念英文。
