Photography , however , is poised on a fine borderline between documentary and art .

然而，摄影泰然自若地处在纪录片和艺术之间那细微难察的边界。

The tv audience watched nixon looking sweaty and pale , while kennedy appeared young , athletic , handsome , and poised .

电视观众看到尼克松看上去吃力且脸色苍白，而肯尼迪却年轻，体格健壮，英俊并且泰然自若。

Whatever her private views on politics and race , her public self was always poised and wholesome .

无论她私底下对政治、种族的观点如何，她始终保持着一个泰然自若的健康公众形象。

On saturday , one day after he secretly authorised an operation that had the potential to permanently shape his presidency , mr obama delivered a poised and witty speech at the white house correspondent 's dinner , poking fun at himself and his political opponents .

上周六，就在他秘密授权发动可能永久塑造自己总统任期形象的军事行动的一天后，奥巴马在白宫记者晚宴上发表了泰然自若和诙谐的讲话，拿自己和政治对手开玩笑。

As for rocket science , not long ago it was held up as the paragon of baffling complexity . Now , as tourists hurtle into space and almost every failed state seems poised to go ballistic , rocket science seems less sophisticated .

至于“火箭科学”，不久前还被树立为错综复杂高深莫测的典型，而现在游客们可以冲上太空，几乎每个发射失败的国家看起来都在泰然自若地研究弹道火箭，火箭科学似乎不再深奥。