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。
She stepped down from the train onto the platform.
她走下火车来到站台上。
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。
我们走下楼梯。
He held up his forepaw as the Mole stepped gingerly down.
鼹鼠小心翼翼地走下来的时候，他举起了前爪。
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。
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。
I stepped down from the tomb and said thank you.
我从上面走下来，对他们说了谢谢。
I stepped down to take a picture and I put my hand on my camera.
我从台阶上下来，手指搭在相机上准备拍摄一张照片。
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。
Two weeks ago he stepped down, citing differences of opinion with his board.
两个星期前，他以与委员会意见相左为由辞职。
Steve Jobs stepped down as Apple's chief executive in August because of his health.
史蒂夫·乔布斯因健康问题在八月份辞去苹果行政长官一职。
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！
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。
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。
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。
他在星期天辞职。
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。
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。
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