RACHEL MARTIN, HOST: Today in Your Health, we're going to learn about the secrets of breast-feeding. Many women want to breast-feed and they try to, but only about half keep it up. It's like we have lost the instinct in some way. DAVID GREENE, HOST:

发表于:2018-12-18 / 阅读(43) / 评论(0) 分类 2017年NPR美国国家公共电台6月

SCIENCE IN THE NEWS -May 28, 2002: Breast-Feeding and Intelligence Linked? / Americans on the Internet / Design a Traveling AIDS Medical Center for Africa VOICE ONE: This is Sarah Long. VOICE TWO: And

发表于:2019-01-04 / 阅读(52) / 评论(0) 分类 科技之光

As the migrating herds arrive in the plateaus river valleys, the spring is here. This is why they have made the journey after the famine of winter. Food is everywhere. Birds have flown in from as far away as the Arctic and subtropics. Canada geese jo

发表于:2019-01-05 / 阅读(50) / 评论(0) 分类 自然百科2012年

[00:05.30]Lesson 85 1 Reading comprehension [00:12.88]Read the text fast to find answers to these questions. [00:19.54]1 How do honey bees communicate with each other? [00:25.60]2 What are they able to tell each other? [00:31.45]THE LANGUAGE OF HONEY

发表于:2019-01-10 / 阅读(204) / 评论(0) 分类 高中英语人教版高三

[00:14.47]READIGN [00:15.62]THE LANGUAGE OF HONEY-BEES [00:18.08]There are many different varieties of bee. [00:20.95]Some live in large groups like the honey-bee, [00:23.56]and make their nests in trees or holes in the rocks. [00:27.19]Other species

发表于:2019-01-10 / 阅读(256) / 评论(0) 分类 高中英语人教版必修第三册

Mogadishu Feeding Centers Keep Thousands from Starvation Twice a day, crowds of hungry people line up outside feeding centers all across Mogadishu, holding a pan or a bucket to receive a hot meal. Anyone who shows up is fed. United Nations officials

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2012年(五月)