Cyclists make Olympic history, 400-year-old shark 英国自行车运动员创英奥运历史，400岁格陵兰鲨鱼

本集内容 British couple ride into Olympic history 英国自行车队“金童玉女”双双得冠

Scientists discover 400-year-old shark 科学家发现400岁鲨鱼

British cycling's Olympic golden couple Jason Kenny and Laura Trott have ridden into the record books. They've now taken their collective gold medal tally to ten, winning five in Rio. Also on Tuesday 19-year-old Simone Biles became only the fourth competitor to win four gymnastic gold medals. She won the women's floor final.

英国自行车队的“金童玉女”杰森·肯尼（Jason Kenny）和劳拉·特洛特（Laura Trott）在里约奥运会中的表现被载入英国奥运史册。至此，他们俩共同获得的金牌总数达十块，其中五块来自本届里约奥运会。同样，在周二的比赛中，美国队19岁的西蒙·拜尔斯（Simone Biles）获得了女子自由体操的金牌，成为历史上第四位获得四块奥运会体操比赛金牌的选手。

The Greenland shark lives in the icy Arctic waters and feeds on fish and seals. But until now no one knew exactly how long they live. Researchers have found one that could be 400 years old, making it the oldest vertebrate animal.

格陵兰鲨鱼生活在冰冷的北极水域里，以鱼和海豹为食。以前没人知道这些鲨鱼到底能存活多久，但研究人员最近发现了一条可能存活了400年的鲨鱼，使它成为已知寿命最长的脊椎动物。

【Cyclists make Olympic history, 400-year-old shark 英国自行车运动员创英奥运历史，400岁格陵兰鲨鱼】相关文章：

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