This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(42) / 评论(0) 分类 Scientific American(五)月

A folk culture is a small isolated, cohesive, conservative, nearly self-sufficient group that is homogeneous in custom and race with a strong family or clan structure and highly developed rituals. Order is maintained through sanctions based in the re

发表于:2018-12-30 / 阅读(33) / 评论(0) 分类 考研背诵50篇

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(一)月

英语短文:Folk Cultures A folk culture is a small isolated, cohesive, conservative, nearly self-sufficient group that is homogeneous in custom and race with a strong family or clan structure and highly developed rituals. Order is maintained thro

发表于:2019-01-08 / 阅读(46) / 评论(0) 分类 英语小短文

Voice 1 Welcome to Spotlight. I'm Ryan Geertsma Voice 2 And I'm Ruby Jones. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Many people warned me abo

发表于:2019-03-04 / 阅读(104) / 评论(0) 分类 环球英语 Spotlight