查询词典 vain

In 450, Anaxagoras was accused of impiety and banished from Athens. General Pericles, his friend and student, tried in vain to protect him.

四五○年，当局控告阿那克萨哥拉不敬神明，把他逐出雅典，他的朋友兼学生培里克利斯将军想保护他也无能为力。

The methods of HPLC have been developed detection of chlortetracycline in multi-tissues ofchicken, which is used widely in feed additive.

此方法的样品前处理步骤为：采用MCI-Vain-Na_2EDTA液作为提取液提取鸡体中的金霉素。

Goals from Gabriel Batistuta and Abel Balbo proved in vain as Argentina, with Diego Maradona watching helplessly from the stand, made an early exit.

虽然巴蒂和巴尔博也分别打进一球，却无法挽回阿根廷失败的命运。现场的马拉多纳无奈地观看着比赛，更在比赛结束前就离开了球场。

After leaving Halle in 1770, he lived for several years (1771-1774) in Braunschweig where he applied in vain for the post of an organist at the St.

在1770年离开哈雷，他住了（1771年至1774年在不伦瑞克）几年来，他是徒劳申请一个在圣凯瑟琳教堂的管风琴职位。

And if one＇s mind is air-to-air then all his hard efforts are in vain.

人如果脑子里空空的那他就算在努力再刻苦也是白费力气。

At this time Chrysostom delivered a sermon against the vain luxury of women.

在这个时候发表了金口说教，对妄图豪华的妇女。

In vain were Satan's efforts to destroy the church of Christ by violence.

撒但虽然用暴力来摧毁基督的教会，但他一切的努力都是徒然的。

He saw the dead and dying across the fields of Europe;he heard the stories of fellow troops who first entered Auschitz and Treblinka .He fought in the name of a larger freedom,part of that arsenal of democracy that triumphed over evil,and he did not fight in vain.

美国南北内战的血腥在历史上是数一数二的，但只有历经刀光剑影的战争熔炼，无数生命的流血牺牲，我们才开始踏上联邦的征途，并将万恶的奴隶制度从我们的国土上一举铲除。

I spent two or three hours at the Department of Labor today, and it was in vain.

我今天在劳工局花了2、3个小时，却徒劳无功。

After trying in vain to control the unruly class, the young and inexperienced instructor had to admit that he was at eth end of his tether.

试图控制这个难弄的班级但不见生效后，这个缺乏经验的年轻教师不得不承认，他已无法可施。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。