scratch-抓,刮,擦,刻划 screen -屏幕,荧幕 screw -螺丝 script -剧本,广播稿 seal-封条,图章 secondary -次要的,第二的 sector -扇形,部门,战区 secure -安全的,可靠的 segment-部份,断片 select -选择,挑选 selfish -自私的,利己的 semester -学期 semiconductor-半导

发表于:2018-11-29 / 阅读(98) / 评论(0) 分类 用mp3背四级单词

Unit 13 screen script seal secondary secure security segment segregate select senior sensation sensible sensitive sequence series session settlement severe shallow shave shed sheer shelter shield shift shiver shock shortage shortly shove shrewd shri

发表于:2018-11-30 / 阅读(138) / 评论(0) 分类 2009年星火考研词汇核心突破

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(82) / 评论(0) 分类 数学英语

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(73) / 评论(0) 分类 2014年ESL之商务英语

The husband complained that his wife always cooked the same dish. One day, the husband got home and asked his wife,

发表于:2019-01-03 / 阅读(178) / 评论(0) 分类 英汉幽默故事选读

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(八)月