No statistically significant difference in asthma control, pulmonary function, exacerbation rate and drug reactions were found in each down-stepped period between the two groups.
两组各降阶梯哮喘控制率、肺功能、哮喘加重率和药物不良反应发生率比较，差异无统计学意义。
He stopped just as his truck tilted down the steep incline, put on the handbrake, and stepped out.
就在他的卡车沿陡峭的斜坡向下滑的时候，他停了下来，拉住了手闸，然后下了车。
Heidi immediately stepped down from the stool and ran down-stairs.
海蒂立刻从凳子上下来，跑下楼。
She stepped down, looking confused.
她走下楼，看起来一脸困惑。
Hundreds of years later, in 1969, American astronaut Neil Armstrong stepped down from Apollo II and walked on the moon.
几百年后的1969年，美国宇航员尼尔·阿姆斯特朗走下阿波罗二号，在月球上迈出了人类的一大步。
I stepped outside and walked at a leisurely pace down Madison Ave.
我走出屋外，迈着悠闲的步子沿着麦迪逊大街走着。
Then the beetle stepped down into the rich mud, where sat three young lady beetles, who tittered, because they did not know what to say.
随后金龟子就下到了这块风水宝地，那坐着三个年轻的金龟子，因为不知道说啥好而在那傻笑。
Perhaps he should have stepped down from the ivory tower and addressed concrete issues.
或许，他本应该走出象牙塔，来解决更实际的问题。
A. When I stepped down as dean of computing in 2009, we had just come through a big transformation of computer science at Georgia Tech.
当我在2009年从计算学院院长一职上卸任，佐治亚理工学院的计算机科学已经经历了一场重大的变革。
No, I was told the curate should have his — teeth dashed down his throat, — if he stepped over the threshold — Heathcliff had promised that!
不教了，我听说副牧师要是跨进门槛的话，就要——把他的牙打进他的——喉咙里去——希刺克厉夫答应过的！
Jesse stepped from the creek and sat down to rinse his socks and pour water from the boots.
杰希走出了小溪，坐下来冲洗他的袜子，倒出靴子里的水。
He waited at the front of the platform until he could hear my train approaching, then he calmly stepped down on to the tracks and looked directly at me as he waited for the impact.
他候在站台线前，直到可以听到我的列车缓缓驶入，他平静地从站台走了下来，直视着我，等待着被冲撞。
Not Ingrid, but her older sister Marta, stepped down from the train.
因为，在他的眼前，正走下火车的不是英格里德，而是她的姐姐玛塔！
Qaddafi has not yet stepped down from power, and until he does, Libya will remain dangerous.
卡扎菲还没有下台，而在下他下台之前，利比亚仍然十分危险。
Earlier this year, Fidel Castro, who ruled Cuba for decades, stepped down and ceded power to his brother, Raul.
今年早些时候，统治了古巴数十年的菲德尔·卡斯特罗将权力移交给了他的弟弟劳尔。
Peter Chernin, who recently stepped down from overseeing News Corporation's film and television business, notes that technology does not just expand the range of products available.
最近从新闻公司的电影和电视辞职的监管彼得-切宁评注道，科技不仅扩大了可用的产品范围。
Even if Mr Saleh stepped down peacefully, Yemen's future would remain bleak.
尽管萨雷先生平静的走下来，也门的前途仍暗淡无光。
I gradually stepped down my career well in advance of having children, as I've discussed before, and I have few regrets about my decision.
在生孩子很早之前我就逐渐淡出了职场，我以前也谈到过，对这个决定我没什么遗憾。
Republican Representative Christopher Lee of New York stepped down in February after a shirtless photograph surfaced that he had sent to a woman he met on an online classified advert website.
起因是一张他本人未穿上衣的照片。他将这张照片传给了在一位在分类广告网站上所认识的女性，结果被其曝光。
By the time Akio's uncle, Tatsuro, stepped down as President in 1995, after a stroke, the company was losing market share and risked Posting its first loss since 1950.
到1995年丰田章男的叔叔丰田达郎由于中风卸任后，公司一度失去市场份额，并出现了1950年以来的首次亏损。
Ready for a CEO position, but realizing that then-Chevron CEO David o 'reilly was several years from retiring, she stepped down from her position in February 2006.
虽然她认为自己已经具备就任首席执行官的条件，但是要等雪佛龙当时的CEO大卫•欧雷利退休还需数年的时间，因此，她在2006年2月毅然辞掉了那份工作。
It was his first address to the people in the two months since he stepped down.
这是他下台后两个月来第一次公开致辞。
Baidu Chief Operating Officer Ye Peng has stepped down due to personal reasons, effective January 8, Baidu announced the same day.
百度8日宣布，该公司首席运营官叶朋因个人原因辞职。 经批准，即日起叶朋不再担任首席运营官职务。
With that the little boy stepped back from the fence, reached down, and began rolling up one leg of his trousers.
听完这番话，小男孩往后退了一步，坐下来，卷起一只裤脚。
In fact, now that Jobs has stepped down, nobody in Apple's top-level executive team does. That is, at least not anyone with nearly the same force and visibility Jobs was able to bring to bear.
事实上，现在乔布斯倒下了，在苹果的高层中没有人，至少没有人拥有与乔布斯相近的实力和远见可以担当。
In fact, now that Jobs has stepped down, nobody in Apple's top-level executive team does. That is, at least not anyone with nearly the same force and visibility Jobs was able to bring to bear.
事实上，现在乔布斯倒下了，在苹果的高层中没有人，至少没有人拥有与乔布斯相近的实力和远见可以担当。
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