标签：鲨鱼和谐共游 相关文章

VOA标准英语2015--科学家寻找更好的途径解决鲨鱼面临的威胁

Scientists Seek Better Understanding of Threats Faced by Sharks 科学家寻找更好的途径解决鲨鱼面临的威胁 COCONUT ISLAND, HAWAII With many shark species endangered or threatened as a result of pollution and other problems, scientists

发表于:2019-01-14 / 阅读(49) / 评论(0) 分类 VOA标准英语2015年(二月)

英语听力文摘 English Digest 55、和鲨鱼同游

In the immortal words of Michael Corleone in The Godfather, Part II, My father always taught me: keep your friends close, and your enemies closer. Perhaps no creature has taken this advice more literally then the remora, also known as the sucker fish

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 英语听力文摘 English Digest

科学美国人60秒 SSS 水下的统治者到底是谁

Sharks Rule the Reef's Underwater Food Chain Predators like wolves affect their ecosystems by eating their prey. But a more subtle impact involves fear. Predators also terrify prey species. And when, for example, elk are hiding, they don't spend as m

发表于:2019-02-14 / 阅读(76) / 评论(0) 分类 2018年科学美国人1月
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