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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)

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Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(135) / 评论(0)

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This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(49) / 评论(0)

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这些健康新知识你了解多少

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种

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留美老师带你每日说英文第417期:面试的相关准备

台湾籍旅美老师今天交给我们的句子是： Watch and outline your answer before you go in and so that you can answer clearly, concisely and with confidence. 在你进去面试之前，先练习概述答案，这样你才可以有回答地清

发表于:2019-02-21 / 阅读(53) / 评论(0)

留美老师带你每日说英文

留美老师带你每日说英文第767期:古代残骸的发现

台湾籍旅美老师今天交给我们的句子是： When researchers uncover a skeleton, some of the first clues they gather, like age and gender, lie in its morphology, which is the structure, appearance, and size of a skeleton. 当学者们发现一

发表于:2019-03-05 / 阅读(88) / 评论(0)

留美老师带你每日说英文

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