VOA慢速英语:What Are Those Marks on the Olympic Athletes?(翻译)

短语讲解：

1. It turns out they are bruises left behind from a treatment called cupping.

turn out 关掉; 结果是
例句：Be calm and sit tight and everything will turn out well.
保持镇静，听其自然，一切都会好转。

2. The journal’s report, by Evgeni Rozenfeld and Leonid Kalichman, says it is not clear why some people benefit from cupping therapy.

benefit from 受益; 通过…获益; 得力
例句：Mary has derived a lot of benefit from her tuition.
玛丽从她的教学中得到很大收益。

3. The report says more studies are needed to learn about the effectiveness of the therapy.

learn about 获得，学得; 得知有关…的消息
例句：Childrenseem to learn about computers by osmosis.
儿童似乎不知不觉地就了解了计算机。