准稳振荡

数学英语 23 What are the Range and Standard Deviation?

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(145) / 评论(0)

数学英语

美联社新闻一分钟 2008-06-25

1. The government says US home prices fell in April at their fastest rates since 1991. Meanwhile, the Senate has overwhelmingly voted to speed up work on a 300-billion dollar foreclosure rescue plan. And a private survey says consumer confidence is

发表于:2018-12-15 / 阅读(152) / 评论(0)

美联社新闻一分钟2008年6月

SSS 2009-10-27

If you want to lose weightreally lose it and keep it offlook around your house. How many TV sets are there? And is there an exercise bike or any other similar equipment? The answers could predict the success of your weight loss quest, according to a

发表于:2018-12-24 / 阅读(120) / 评论(0)

Scientific American(十)月

办公室英语口语第82期:Ordering more stationary 再订办

Ordering more stationary A: Okay, then, Mary. We need 10 more loose-leaf binders, five pounds of heavy duty white paper, and what else did I say? B: Two boxes of transparencies for the over-head machines. A: Right. And Id like one of those new electr

发表于:2018-12-25 / 阅读(129) / 评论(0)

办公室英语口语

出国旅游口语一本通第66期:In a Stationary Store

第66期:In a Stationary Store Y:I'd like to see that pen,please. Y:我想看一看那支笔。 X:You mean fihis one? X:您说这支吗? Y:No，the other one in the brown case. Y:不是，是棕色盒子的那一支。 X:Oh，this one.Here. X:哦，这

发表于:2018-12-26 / 阅读(149) / 评论(0)

出国旅游口语一本通

减肥瘦身英语口语话题第105期:骑脚踏车

Unit 105：Ride a bike 第105单元：骑脚踏车 It provides an excellent aerobic workout. 骑脚踏车是一种绝佳的有氧健身运动。 Ride indoors on a stationary bike or go outside and enjoy the scenery. 在室内踩健身脚踏车或骑脚

发表于:2018-12-26 / 阅读(145) / 评论(0)

减肥瘦身英语口语话题

中国用机器填补劳动力短缺,机器人开始崛起

It's started: Robot uprising begins as China turns to machines to fill in gaps in the workforce 中国用机器填补劳动力短缺，机器人开始崛起 China is increasingly turning to machines to fill in gaps in its workforce. 中国正越来越多

发表于:2019-01-07 / 阅读(96) / 评论(0)

英语新闻

SSS 2008-02-14

This is Scientific American's 60-Second Science .I'm Cynthia Graber. This'll just take a minute. It's Valentine's Day, even for barnacles which are stuck to rocks. But evolution has endowed these stationary creatures with some curious abilities accor

发表于:2019-01-08 / 阅读(152) / 评论(0)

Scientific American(二)月

SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(203) / 评论(0)

Scientific American(十)月

原版英语对话1000个:454 Bargains

I'm an English teacher in Japan and when I first came here I didn't really have very much money so I found things quite expensive and I went out looking for cheap bargains. I came across a shop and it called the 100 Yen shop. It's absolutely fantasti

发表于:2019-01-27 / 阅读(85) / 评论(0)

原版英语对话1000个

英语听书《白鲸记》第116期

Holloa! cried stationary Elijah, hailing us when we had removed a few paces. 嗨！我刚走了几步，站在后面的以利亚又吆喝起来。 Never mind him, said I, Queequeg, come on. 别理他，咱们走。我招呼着魁魁格。 But he st

发表于:2019-01-29 / 阅读(149) / 评论(0)

白鲸记

“穿越”回过去真的有可能吗？

穿越回过去真的有可能吗？ Are you weirded out by wormholes? Flummoxed by your flux capacitor? Strap yourself in for this time-travel primer. 你是不是觉得虫洞很神奇呢？对你不稳定的电容器感到疑惑？那么就来学些关

发表于:2019-02-04 / 阅读(135) / 评论(0)

英语万花筒

涂色绘本《秘密花园》风靡中国治愈力max

Social media addicts in China are putting down their phones, thanks to an adult coloring book that has become popular in the country. The bestseller, Secret Garden: An Inky Treasure Hunt and Coloring Book, has sold 25,000 copies upon its release in C

发表于:2019-02-05 / 阅读(120) / 评论(0)

阅读空间

波兰银行推出“移动”ATM机

In an age of contactless cards and paying with your smartphone, the idea of getting cash out of an ATM machine may seem a little dated. 在这个非接触式智能卡和智能手机付款盛行的时代，去ATM机取钱显得有点过时。 But now

发表于:2019-02-07 / 阅读(133) / 评论(0)

阅读空间

10组易混淆的英文单词你犯过错吗？（1）

英文中一些单词很容易混淆，甚至连native speaker都会误用。为了在口语和写作中避免这种错误的发生，小编特意为大家整理了英文中10组易混淆的词汇，大家仔细体会哦! 1. Affect (动词) / Effect

发表于:2019-02-14 / 阅读(215) / 评论(0)

英文语法词汇

英语访谈对话 453 Bargains

发表于:2019-02-17 / 阅读(111) / 评论(0)

英语访谈对话

中国学生逆天发明自行车洗衣机二合一

Students at the Dalian Nationalities University in China have designed a bike washing machine that will wash your clothes while you pedal. The invention is aptly called Bike Washing Machine or BiWa, and it aims to bring health and convenience to our

发表于:2019-02-18 / 阅读(143) / 评论(0)

阅读空间

Why Hammocks Make Sleep Easier, Deeper

Why Hammocks Make Sleep Easier, Deeper Napping in a hammock is one of the more delightful tasks of summer, and Swiss researchers say they now know why. The gentle rocking motion makes people fall asleep faster, and they sleep deeper. Those changes in

发表于:2019-02-18 / 阅读(116) / 评论(0)

阅读空间

趣味形近字记单词法

1. Grisly / Grizzly 1.可怕的，严厉的，严重的/灰色的 2. Hoard / Horde 2.贮藏/一群 3. Hole / Whole 3.洞/整个 4. Instance / Instants 4.例子/瞬间 5. Insure / Ensure 5.确保/保证 6. Loath / Loathe 6.勉强的，不情愿的/厌恶

发表于:2019-02-21 / 阅读(227) / 评论(0)

英语学习方法

英语听书《白鲸记》第321期

It was nearly six o'clock, but only grey imperfect misty dawn, when we drew nigh the wharf. 我们走近码头的时候,已经快六点钟了,天还只蒙蒙亮。 There are some sailors running ahead there, if I see right, said I to Queequeg, it can

发表于:2019-03-10 / 阅读(153) / 评论(0)

白鲸记

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