查询词典 twenty-first

My daughter is twenty and I am forty, but we have no generation gap in our family.

我女儿20岁，我40岁，不过在我们家没有代沟。

We went to Overseas being new generational farmer or worker in western country, after twenty years past.

我们到海外成为新一代农民或工人，在西方国家，经过二十年来的奋斗不息。

Genet was on December 10, 1910, in Paris, France, to twenty-two-year-old prostitute Camille Gabrielle Genet.

遗传学是12月10日1910年，在巴黎，法国，到22岁的*女卡米耶加布里埃杰内特。

She was an old woman who for twenty years had brought the neighbouring gentry into the world.

她是个上了年纪的女人，二十年来，邻近的许许多多上层社会的绅士们都是由她接生的。

I really admired Gephardt, a hardworking, smart, kind man who looked twenty years younger than he was.

我真的很钦佩格普哈特，他工作勤奋、精明能干、心地善良，看起来比实际年龄小20岁。

GERALDINE: He phoned about twenty minutes agosaid he was on his way.

杰拉尔丁：他大约20分钟前打过电话他说在路上了。

The essential oil was prepared from the peel by solution extraction, and separated into fractions of hydrocarbon and oxygenated compounds through a silicagel column. As the oxygenated fraction had the characteristic aroma of the peel oil, odor quality of the fraction was estimated on the basis of a odor unit value. Twenty five compounds such as geranial, neral, linalool and aliphatic aldehydes were selected as the components contributed to the aroma of the peel oil.

用溶剂萃取法提取白柠檬果皮的精油，并用硅胶柱将精油分成碳氢化合物和含氧化合物两大部分，由于含氧化合物部分具有果皮油的特征香气，利用各成分的香气值对该部分进行了评价，明确了香叶醛、橙花醛、沉香醇以及一些脂肪族醛等25种成分对白柠檬果皮油香气起着重要作用。

Methods: Twenty geriatric Wistar rats were randomizedly and equally divided into experimental group and control group.

将20只Wistar老年大鼠随机分为实验组和对照组，每组10只。

I spoke to Felix Silverstone, who for twenty-four years was the senior geriatrician at the Parker Jewish Institute, in New York, and has published more than a hundred studies on aging.

我将谈到 Felix Silverstone ，他是纽约州帕克犹太学院的一位工作了24年的老年病学高级专家，已经出版了超过100本关于衰老的研究书籍。

His book was nearly twenty years in gestation.

他的书构思了将近二十年。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。