科学研究   慢速英语

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Sleeping sickness cannot be prevented by a vaccine or medicine. So to avoid the disease, a person must avoid the tsetse fly. Avoiding the fly can be simple. Wearing thick clothes that cover the skin p...

昏睡病不能通过疫苗或药物来预防。因此，为了避免这种疾病，一个人必须避免采采蝇。避免苍蝇可能很简单。穿厚衣服遮盖皮肤可以防止苍蝇叮咬。如果衣服颜色不鲜艳，它也会有所帮助。采采蝇像五颜六色的衣服一样飞翔。 在进入车辆之前，在车内寻找采采蝇...

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Maman Louise lives in the city of Nkayi in western Congo. During a civil war in her country, she had to leave her home. She stayed in the forest for two years. During this time, she started acting str...

Maman Louise 住在刚果西部的 Nkayi 市。在她的国家发生内战期间，她不得不离开自己的家。她在森林里呆了两年。在这段时间里，她开始表现得很奇怪。她讲述了自己的行为： “我的眼睛在头上翻来覆去，我无法停止说话。有时我开始唱...

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Each month was 30 days.Then, they divided each day into 24 equal parts,or hours.They divided each hour into 60 minutes,and each minute into 60 seconds.Humans have used many devices to measure time.The...

每个月是 30 天。然后，他们将每天分成 24 个相等的部分或小时。他们将每个小时分为 60 分钟，将每分钟分为 60 秒。人类已经使用许多设备来测量时间。日晷是最早和最简单的日晷之一。日晷测量太阳每天在天空中的运动。它有一根棍子或其他物体...

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“[Instead of] excelling physically outdoors, I stay in and think creatively. I write music and come up with program ideas. I use my mind [instead of] my body.” There is no cure for Sickle Cell Anem...

[而不是] 在户外表现出色，而是呆在家里并创造性地思考。我写音乐并提出程序创意。我用的是我的思想 [而不是] 我的身体。 镰状细胞性贫血无法治愈。但这是可以预防的。你看，镰状细胞性贫血是一种遗传性疾病。正是在基因中，父母传递给了他们的...

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Hospitals employ many therapeutic methods. In addition to medication, there are interventions like massage therapy and hypnosis. Music therapy is also growing in popularity. Sandra Siedliecki is a Sen...

医院采用多种治疗方法。除了药物治疗，还有按摩疗法和催眠等干预措施。音乐疗法也越来越受欢迎。Sandra Siedliecki是俄亥俄州克利夫兰诊所护理研究所的高级科学家。她说音乐是一种低成本的治疗方法。“音乐有几个原因。一个是它非常便宜。”...

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The World Health Organization says iron deficiency is the most-common micronutrient disorder worldwide. WHO officials also say iron deficiency is a leading cause of anemia. About two billion people su...

世界卫生组织表示，缺铁是全球最常见的微量营养素紊乱。世界卫生组织官员还说，铁缺乏是贫血的主要原因。大约有20亿人患有这种疾病，据信40%的学龄前儿童贫血。20%的孕产妇死亡与低铁水平有关。关于低出生体重婴儿的报告发表在《儿科学》杂志上。专家...

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Not long ago, many people believed that babies only wanted food and to be kept warm and dry. Some people thought babies were not able to learn things until they were five or six months old. But doctor...

不久前，许多人认为婴儿只想要食物，需要保持温暖干燥。有些人认为婴儿要到五六个月大才能学会东西。但美国的医生现在说，婴儿在出生的第一天就开始学习，甚至在出生前。尤妮斯·肯尼迪·施莱弗国家儿童健康与人类发展研究所是一个联邦政府机构。该研究所表示...

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Lucy Parry was getting ready to leave her home. It was a spring day in 2007. Suddenly, she felt a sharp pain. A wasp, a flying insect, had stung her. For most people this may not have been a big probl...

露西·帕里正准备离开家。那是2007年的一个春日。突然，她感到一阵剧痛。一只黄蜂，一只会飞的昆虫，蜇了她。对大多数人来说，这可能不是一个大问题。但对露西来说，这是一个严重的问题。她的血压开始迅速下降。她挣扎着走向药店。但当她到达时，她没有得...