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He will never fall away even in time of danger. 他即使在危急时刻也绝不会放弃原则。
He played the man in the time of great trouble. 他在极为困难的时候显示出男子汉的气概。
National unity is essential in time of war. 举国团结在战时是非常重要的。
Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。
He is a wise counselor in time of need. 在困难时他是个好参谋。
Plunder taken from an enemy in time of war. 劫掠物，战利品战时取自敌人的战利品
My neighbors helped me in my time of need. 我的邻居在我困难的日子帮了我忙。
His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
In time of depression, there were no enough jobs. 萧条时期，没有足够的工作机会。
Methods Radioimmunoassay was used to investigate effects of DHC on the cAMP mass of concentration in rabbit platelets. 方法应用放射免疫分析法观察DHC对体外血小板cAMP质量浓度的影响 .
Fall back on old friends in time of need. 在需要时求助于老朋友们
The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
Objective To study effects of Dehydrocorydaline (DHC) on cAMP mass of concentration in rabbit platelets and analyze the mechanism of its action. 目的研究去氢紫堇碱 (DHC)对兔血小板cAMP质量浓度的影响 ;探讨其抑制血小板聚集作用机制 .
It is the simplest signal to make, in time of danger or disaster. 这是在遇到危险或灾难的时候能发出的最简单的信号。
S studies on pharmacokinetics showed that the mean residence time of HEPC-SSL in blood is 23.3h, while that of EPC-SSL is 12.0h, and the area under the curve (AUC) of concentration of HEPC-SSL is larger than that of EPC-SSL. 大鼠体内药物动力学研究结果表明;HEPC长循环阿霉素脂质体在血中平均驻留时间(MRT)为23.;3h;EPC长循环阿霉素脂质体在血中平均驻留时间(MRT)为12
All goods may be forfeit to the State in time of war. 战时所有的货物都可能被国家徵用。
Meanwhile, degree of concentration in world petroleum and chemical industry is increasing and the new round of merging and consolidating wave changes distribution... 三是世界石化产业的集中度越来越高;四是新一轮兼并联合改变了全球石油石化业界的部分格局。
A genuine friend will not desert you in time of adversity. 真正的朋友不会在患难时弃你而去。
It was a time of great tribulation. 那是一段充满苦难的时期。
"We're seeing very high rates of intermarriage for Hispanics and Asians who are living in fairly integrated areas outside their traditional areas of concentration in the Southwest and West," Edmonston pointed out. 埃德蒙斯顿指出“与传统的西南部和西部聚居区相比，居住在各族混居地区的亚裔和拉美裔美国人异族婚姻的比例非常高。”