We must learn the text by heart.

Have you learnt your part yet?

你的台词背熟了 吗 ?

An actor must memorize his part in a play.

演员必须背熟自己在剧中的台词.

We learn from experience that touching a hot stove will cause a painful burn.

我们由经验中学到,触摸热火炉会造成令人疼痛的烧伤.

I try to manage my mental state learn from experience what does or does not help.

我试着控制自己的精神状态,积累那些对自己的健康有益或有害的经验.

You have to move on eventually and learn from experience, i agree with that.

人应该向前看,从经验中汲取教训, 我同意这一观点.

That is, we learn from experience to connect warmth with fire and nourishment with bread.

也就是说, 我们从经验学到了把火与热联系在一起、把食物和面包联系在一起.

This group interaction helped students to learn from each other's scholarship, skills, and experiences.

这种小组交流帮助学生从相互的学问 、 技能和经验中学会知识.

Men learn by their sufferings more than by any other teaching.

从自己的苦难中学到的东西胜过别人的教导.

Running relaxed is a skill you can learn by practicing it.

跑得放松是一种技巧,通过训练您可以学会.

We can learn by experiment that oil and water will not mix.

我们可以从实验中看到油和水是不相溶合的.

Wise men learn by other men's mistakes.

聪明人能从别人的错误中吸取教训.

Believe in youself, do what you love. And learn up. And I can smile ever day.

相信你自己, 做你想做的. 学会弥补不足, 这样能快乐度过每一天.

Children under six can learn up three languages easily.

六岁以下的孩子可以轻松学会三门语言.

Study on Genetics for Big Y Chromosome

大Y染色体的遗传学探讨

While according to previous statistics, the percentage of big Y chromosome in the male patients of reproductive abnormalities is up to 2.18%-21.73%.

据统计，大Y染色体在生殖异常的男性患者中的比例达2.18%-21.73%。

Results: 550 cases of Y chromosome abnormality were observed in 4,238 patients, accounting for 12.98%, including 497 cases of big Y chromosome abnormality;

结果：共检出Y染色体异常核型550例，占全部被检者12.98%，其中大Y染色体异常497例；

Conclusion: Big Y chromosome has no significant influence on the development of embryos and the outcome of pregnancy.

结论：大Y染色体对胚胎发育及近期妊娠结局无明显影响。

Objective: To evaluate the influence of big Y chromosome on the outcomes of in vitro fertilization and embryo transfer.

目的：探讨在体外受精与胚胎移植中大Y染色体对其受精方式及结局的影响。

There were 2 cases of abnormal sex chromosomes, 2 cases of big Y chromosomes and 7 cases of small Y chromosomes in the non obstructive azoospermic patients. No correlation was found between EGF and fructose in the seminal plasma.

非梗阻性无精子症组性染色体异常2例，大Y2例，小Y7例，精浆表皮生长因子、果糖两者间无相关性。

Big Y Chromosome Not Significantly Influences Outcomes of in vitro Fertilization and Embryo Transfer

大Y染色体对体外受精与胚胎移植的影响