Optical experts in Shanghai have reassured patients that laser eye surgery, or LASIK (laser-assisted in situ keratomileusis), is the safest method to treat adult myopia, following a leading Taiwanese eye doctor said he would stop LASIK procedures aft

发表于:2018-12-12 / 阅读(59) / 评论(0) 分类 实用英语

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 介绍说明: 鼠标控制,开始先在盒子的外面做个发射器,然后在到里面点击盒子,把盒子于盒子之间的线路安排出来。可以去掉多余的盒子。

发表于:2018-12-12 / 阅读(50) / 评论(0) 分类 英语休闲小游戏

Good afternoon. 下午好。 As you're all aware, we face difficult economic times. I come to you with a modest proposal for easing the financial burden. 众所周知,我们正处经济困难时期。今天我带来了一个小小的建议可以消除

发表于:2018-12-19 / 阅读(36) / 评论(0) 分类 TED演讲教育篇

For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for c

发表于:2018-12-31 / 阅读(67) / 评论(0) 分类 有声英文阅读

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(96) / 评论(0) 分类 英伦广角

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 60秒科学

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 游戏说明: 游戏用鼠标键移动,并要迅速的按下键盘上相应的字母才可以。空格/炸弹.

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 好玩英语小游戏

[00:00.00]Unit 6 [00:03.21]I love my home. [00:08.78]bedroom second study can [00:13.86]寝室 第二 书房 能 [00:18.94]bathroom garden kitchen living room [00:24.22]浴室 花园 厨房 客厅 [00:29.49]plant flower bookcase clock [00:34.56]种植

发表于:2019-01-09 / 阅读(143) / 评论(0) 分类 北京仁爱英语

Lasers Used to Chill, Instead of Heat 有史以来第一次:科学家使用激光冷却液体 University of Washington researchers say they used a laser to turn hot water into cool water. Five engineers from the university are the first in the 50-yea

发表于:2019-01-12 / 阅读(57) / 评论(0) 分类 2015年VOA慢速英语(十二)月

Hello, welcome to the offices of Citrus Ventures! 你们好,欢迎来到Citrus Ventures的办公室! It's a big day for Anna, she's about to present Tip Top Trading's new Imperial Lemon to Mr Lime and his colleagues. 今天是安娜的大日子,她

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 职场英文口语

What she means is our Imperial Lemons are made with our unique laser curve technology. 她的意思是我们的皇家柠檬是由我们公司特殊的激光曲线技术制成的。 They are hard wearing and a joy to have on display in any shop window

发表于:2019-01-14 / 阅读(50) / 评论(0) 分类 职场英文口语

Thats a bit direct Anna. 安娜,这有点直接。 Slow down and tell them your name and why youre calling. 慢慢来,告诉他们你的名字和为何打电话。 Find out something about them. 调查一下他们的情况。 Maybe say Id like to

发表于:2019-01-14 / 阅读(59) / 评论(0) 分类 职场英文口语

I think Anna has just done Tom a big favour shes stopped him getting fired for now. 我认为安娜帮了汤姆一个大忙。他暂时没让他被解雇。 Sometimes conversations with your boss can get too personal but I think Annas got the hang of

发表于:2019-01-14 / 阅读(56) / 评论(0) 分类 职场英文口语

Jon Barnes Ultimate Taxi is probably the closest that the muggle world will ever get to the Knight Bus in Harry Potters magical universe. Barnes has managed to completely transform a plain old checkered taxi cab into an experience of a lifetime its a

发表于:2019-01-26 / 阅读(63) / 评论(0) 分类 英语新闻

激光手术,大饱眼福 For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for cover. Interested in re

发表于:2019-01-30 / 阅读(59) / 评论(0) 分类 双语有声阅读

First Solar Sail to be Launched into Orbit from Russian Submarine 俄潜艇首发太阳反射器进入轨道 A solar sail might do for space missions what fabric sails once did for sea travel.It would

发表于:2019-01-31 / 阅读(116) / 评论(0) 分类 VOA2005(下)--环境科学探索

激光矫正近视后遗症多多 Optical experts in Shanghai have reassured patients that laser eye surgery, or LASIK (laser-assisted in situ keratomileusis), is the safest method to treat adult myopia, following a leading Taiwanese eye doctor said

发表于:2019-02-05 / 阅读(108) / 评论(0) 分类 实用英语

Nobel in Physics for Controlling Laser Light 诺贝尔物理学奖颁给激光控制实验者 The main practical application of CPA so far has been in the eye surgery. It was the first one, and I think it is the one that is used by the most people fo

发表于:2019-02-14 / 阅读(74) / 评论(0) 分类 2018年科学美国人10月

Laser Advances That Changed Our Lives: Nobel Prize in Physics This years prize is about tools made from light. The Royal Swedish Academy of Sciences has today decided to award the 2018 Nobel Prize in Physics with one half to Arthur Ashkin for the opt

发表于:2019-02-14 / 阅读(72) / 评论(0) 分类 2018年科学美国人10月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 作品简介 : 这个绿色的机器人在地板和天花板上来回的跳跃着,它试图利用自身超强的跳跃能力去躲避前方的激光、炸弹和各种奇怪的敌人!

发表于:2019-02-19 / 阅读(162) / 评论(0) 分类 英语娱乐小游戏