虎鲸

Meet the Whale That Can Say 'Hello' and 'Bye Bye' This is Whats Trending Today Wikie is a 14-year-old whale living in captivity in France. Wikie is an orca. Orcas are extremely smart, making them dangerous to their prey. Orcas are also called killer

发表于:2018-12-08 / 阅读(62) / 评论(0) 分类 2018年VOA慢速英语(二)月

Menopause marks the end of a females babymaking era. And not just for humans. Female killer whales go through menopause, too. And a new study finds that they might get pushed into menopause by their up-and-coming daughters. Those findings are floated

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 2017年Scientific American(一)月

Then as we got closer, I could see what it was. It was a California gray whale cow. The California gray whale is one of the largest animals on the planet. A fully-grown female known as a cow can easily weigh up to 35 tons, the equivalent of eleven fe

发表于:2018-12-30 / 阅读(44) / 评论(0) 分类 国家地理2007年

EXPLORATIONS - November 27, 2002: Keiko the Whale By Jerilyn Watson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we te

发表于:2019-01-02 / 阅读(81) / 评论(0) 分类 Explorations

This is What's Trending Today... 这里是《今日热点》节目。 Wikie is a 14-year-old whale living in captivity in France. 薇姬(Wikie)是一头14岁的鲸鱼,现圈养在法国。 Wikie is an orca. Orcas are extremely smart, making the

发表于:2019-01-03 / 阅读(36) / 评论(0) 分类 2018年VOA慢速英语(二)月

Killer Whale Culture Revealed By Mimicking Us Killer whales, also called orcas, are like dolphins and belugasthey all have a wide vocal repertoire. But orcas also have uniquedialects among different pods. Which suggests the animals can learn new and

发表于:2019-02-13 / 阅读(42) / 评论(0) 分类 2018年科学美国人2月
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Advanced Video Coding
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beside
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