Reigning Olympic and world champion Chen Yibing of China turned in a masterful performance for the gold on rings Tuesday night.

在昨晚刚结束的男子吊环决赛中，奥运世锦赛冠军、吊环王子陈一冰的这套经典吊环动作近乎大师级完美。

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One of the pair, it was widely said, had turned out to be 200 years old, although I do not understand just how one determines such a fact: perhaps it is like counting the rings of a felled tree.

据许多人说，其中一种已经有200岁了，不过我不明白一个人怎么去确定这个事实：也许就像数那被砍下树木的年轮。

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In the past, "lucky" gold COINS were turned into rings to be worn as a remedy for many types of illness.

在过去，人们会将“幸运”金币做成戒指戴在手上，当做治疗多种疾病的良方。

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It wouldn't be the same if I turned it upside down because the carbons - the rings here, the pentose's would all be turned over, the chemistry would look different and the sequence of bases would look different.

记住单链倒过来,就和原来不一样了,这是因为碳原子和糖环结构,戊糖会翻转,使得这个化学结构看起来不一样了,碱基的顺序也不一样了

耶鲁公开课 - 生物医学工程探索课程节选

The Hobbit, which was the shortest of the Lord of the Rings books, is being turned into a trilogy.

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Since the groundbreaking study, many have turned to lower-dose therapies or alternatives such as low-dose vaginal rings.

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Cheap and telegenic, such spectacles have turned loss into profit, appalling aficionados but pleasing punters who have poured back into the rings.

ECONOMIST: Spain