临危不惧

Patrick nearby tree immediately became alfalfa clover, to explain theimage of Father, Son, The doctrine of the Holy Trinity.

但圣帕特里克临危不惧，当即摘下一棵三叶苜蓿，形象地阐明了圣父、圣子、圣灵三位一体的教义。

And this stems from a more bona fide Irish tale that tells how Patrick used the three-leafed shamrock to explain the Trinity.

但圣帕特里克临危不惧，当即摘下一棵三叶苜蓿，形象地阐明了圣父、圣子、圣灵三位一体的教义。

But I would rather think with the 18th-century Italian dramatist, Vittorio Alfieri, that "often the test of courage is not to die but to live."

参考译文是&临危不惧、或从容不迫&，下面的圆括号都是我觉得比我译好的译文）但我觉得十八世纪意大利剧作家Vitterio Alfieri的话更耐人寻味：&对勇气的考验往往不是死亡，而是怎么活下去。&

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。