镇定自若的

It's not everybody who can keep as cool as a cucumber in an emergency.

并不是人人都能在危急时刻保持镇定自若的。

He was as cool as a cucumber in the dangerous circumstance.

在这个危险的处境中他表现得镇定自若。

We must keep as cool as a cucumber in an emergency.

我们要在危急时刻保持镇定自若的。

It's not everybody who can keep as cool asa cucumber in an emergency.

并不是人人都能在危急时刻保持镇定自若的。

And this is what I wished to have':'this young girl, who stands so grave and quiet at the mouth of hell, looking collectedly at the gambols of a demon.

这位年青姑娘，那么严肃，那么平静地站在地狱门口，镇定自若地观看着—个魔鬼的游戏。

He behaved very coolly in this dangerous situation .

在这个危险的处境中他表现得镇定自若。

He kept his countenance when he was in danger.

在这个危险的处境中他表现得镇定自若。

During the most trying times when they were both desperately hungry, exhausted and in low spirits, the British pair was driven on by their very Englishness, the peculiar never-say-die, stiff-upper-lip national characteristics that mystify foreigners and which are exemplified in countless tales of derring-do.

在最艰难的时刻，在他二人饥饿难挨、疲惫不堪以及情绪低落的时候，是他们英国人的本色，那种特有的决不放弃、镇定自若的民族精神驱动着他们继续前进。这种精神让其他国家的人感到困惑，这种精神也在无数勇敢的英国人故事中得到了印证。

On May 28, the monkeys steeled their nerves, entered the nose cone of a Jupiter AM-18 missile, and embarked on a suborbital mission into space.

当年5月28日，看似镇定自若的她们被送进"木星AM-18"火箭的头锥，开始进入太空的绕地飞行直至两年之后，苏联宇航员尤里。

As he demonstrated for a nationwide audience while he was being questioned by newsmen after the assassination attempt, Chief Reddin is not easily flappable.

从警长雷丁在行刺事件发生后，面对全国观众回答记者的问题时讲话的姿态来看，他是镇定自若的。

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。