单词：
单词： 相关文章
[00:00.00]Man Is Altering the Balance of Nature [00:05.68]The balance of nature is a very elaborate [00:09.66]and very delicate system of checks and counterchecks. [00:13.60]It is continually being altered as climates change, [00:16.66]as new organis
晨读英语美文60篇
by Jason Marshall In past articles weve talked at length about three of the big four traditional processes used in basic arithmetic: addition (see also How to Add Quickly), subtraction, and division. However, for one reason or another, we havent yet
数学英语
Modular Robot Getting Closer to Reality 模块化机器人即将走进现实 For years, researchers at Carnegie Mellon University experimented with a snake-like robot that could crawl through pipes and climb up trees. 多年来，卡内基梅隆大学的
VOA标准英语2015年(五月)
When I was a kid I was top of the class in maths. I was really good at mental arithmetic and doing sums. Things were easy back then, It was all addition and subtraction, multiplication and division. I knew my times tables like the back of my hand. Th
纯正英语一分钟
Time/System Time 时刻/系统时刻 Date/System Date 日期/系统日期 Level 2 Cache 二级缓存 System Memory 系统内存 Video Controller 视频节制器 Panel Type 液晶屏型号 Audio Controller 音频节制器 Modem Controller 调制解调器
实用英语
But when they really get pushy, people really get pushy, I say, I do it because you do it for your kid. 但是当他们变得有进取心时，我们就会变得更有进取心，我说：我这样做就像你们为自己的儿子做的原因一样。
TED演讲国际问题篇