His aunt Polly stood surprised a moment, and then broke into a gentle laugh.

他的波莉姨妈吃惊地站了一会儿，随即突然轻声笑了起来。

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They then used "very fast and very gentle" purification techniques to obtain ribosome crystals, from which they worked out the structure with X-rays.

然后他们用“非常快速温和”的净化技术得到核糖晶体，通过用X射线研究晶体绘出核糖的结构。

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It relies on low-powered convection currents to ramble wherever it is easiest to drift to, and is then trapped by gentle, patient cul-de-sacs in the hills.

它依赖于弱势力的对流，而对流总是会闲逛到它最容易漂浮的地方，然后卡在温和耐心的小山丘这个死胡同里。

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All we heard was a thud and then he made a gentle bounce and slid down the center of the fairway.

NPR: 1 Dead After 2 Small Planes Collide Near LA

The refuse rises into a gentle hill and then flattens out in a plateau.

NEWYORKER: Baptizing the Gun

However, if Redknapp was wondering how big a task he was faced with then he was given a gentle reminder as Bolton nearly snatched an equaliser after half an hour.

BBC: Tottenham 2-0 Bolton