光子增益

Rachel: What does John do for a living? Derek : He's a salesman. Rachel: That's a difficult way to make a living. Derek: Well, remember: No pain, no gain. 一分耕耘,一分收获 雷切尔:约翰是靠什么谋生的? 德里克:他是个推销员

发表于:2018-12-08 / 阅读(406) / 评论(0) 分类 赖世雄初级美国英语

[0:04.541]Lesson O [0:05.787]Nice to See You Again! [0:07.558]Let's talk. [0:09.366]Hi, Baby Bear! [0:11.276]Hello, Baby Lion! [0:13.443]Nice to see you again! [0:15.661]Nice to see you, too. [0:17.645]Have a try. [0:19.428]agic box [0:25.950][0:22.0

发表于:2018-12-13 / 阅读(116) / 评论(0) 分类 新路径小学英语一年级下册(一起)

A fall into the pit, a gain in your wit. 吃一堑,长一智。 图片1

发表于:2018-12-20 / 阅读(112) / 评论(0) 分类 Daily English-2016.05

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 2015年Scientific American(一)月

A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(十)月

Rachel: What does John do for a living? 雷切尔:约翰是靠什么谋生的? Derek: Hes a salesman. 德里克:他是个推销员。 Rachel: Thats a difficult way to make a living. 雷切尔:以那种方式谋生是很困难的。 Derek: Wel

发表于:2018-12-26 / 阅读(109) / 评论(0) 分类 天天练口语

ECONOMICS REPORT - Local Officials in U.S. Gain New Strength to Take Land for Development By Mario Ritter Broadcast: Friday, July 01, 2005 I'm Gwen Outen with the VOA Special English Economics Report.

发表于:2019-01-11 / 阅读(125) / 评论(0) 分类 健康与经济

Americans go to the polls Tuesday to vote for members of the U.S. Congress as well as the president. All 435 members of the U.S. House of Representatives will be up for election, along with will more than one-third of the 100-member Senate. Democrat

发表于:2019-01-13 / 阅读(126) / 评论(0) 分类 VOA标准英语2008年(十一月)

DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia

发表于:2019-01-16 / 阅读(159) / 评论(0) 分类 2017年NPR美国国家公共电台7月

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(131) / 评论(0) 分类 TED演讲教育篇

Pulling the String on Yo-Yo Weight Gain噩梦:胖了瘦,瘦了又胖 We focus on what is called recurrent obesity or yo-yo obesity, which is a feature which affects close to 80 percent of all overweight individuals worldwide. 我们将重点放在复

发表于:2019-01-20 / 阅读(127) / 评论(0) 分类 2017年Scientific American(四)月

By Jim Malone Washington 13 February 2008 Democrat Barack Obama and Republican John McCain were the big winners Tuesday in presidential primaries in Maryland, Virginia, and the District of Columbia. VOA National Correspondent Jim Malone has the lates

发表于:2019-02-05 / 阅读(105) / 评论(0) 分类 VOA常速英语2008年(二月)

今天我们要学的词是to gain traction。 To gain traction, 是越来越受欢迎的意思。 The idea of becoming an entrepreneur is gaining traction among the youth in China, 在中国,越来越多的年轻人开始走自己创业的道路。

发表于:2019-02-07 / 阅读(132) / 评论(0) 分类 英语每日一词

今天我们要学的词是to gain traction。 To gain traction, 是越来越受欢迎的意思。 The idea of becoming an entrepreneur is gaining traction among the youth in China, 在中国,越来越多的年轻人开始走自己创业的道路。

发表于:2019-02-07 / 阅读(161) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是gain ground。 To gain ground意思是有进展,也可以指越来越被大家所接受。Mild weather helped firefighters gain ground on a fire in Yosemite National Park, 温和的天气让消防队员征服优胜美地国

发表于:2019-02-07 / 阅读(127) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是gain ground。 To gain ground意思是有进展,也可以指越来越被大家所接受。Mild weather helped firefighters gain ground on a fire in Yosemite National Park, 温和的天气让消防队员征服优胜美地国

发表于:2019-02-07 / 阅读(123) / 评论(0) 分类 英语每日一词

By Laura Adams. This episode is about the advantages and disadvantages of investing in mutual funds. Taxes on Top of Losses As we all know, many people have lost investment money due to the stock market volatility in recent weeks. Its been a tough ti

发表于:2019-02-08 / 阅读(249) / 评论(0) 分类 货币英语

Parents, its time to get the TV out of your kids bedroom. 父母,是时候要离开你的孩子的卧室电视。 About 60 percent of all teenagers bedrooms in the U.S. include a TV set. Now research suggests that the mere presence of that TV in th

发表于:2019-02-14 / 阅读(452) / 评论(0) 分类 2016年Scientific American(八)月

encouraging someone who is hesitant 当某人犹豫不决是给予鼓励. 1. Give it a try. 试试看。 2. Go for it. 去试试吧。 3. Have a go at it. 你来试一试。 4. It won't hurt you to try it. 你不妨试试。 5. It's going to be hard,

发表于:2019-03-02 / 阅读(152) / 评论(0) 分类 英语口语

furthermore ad.而且,此外 furthest a. 最远的,最遥远的 fuse n.保险丝,导火线 future n.将来,未来 gain vt.vi.获得 n.利益 gallery n.长廊,游廊;画廊 gallon n.加仑 ga

发表于:2019-03-04 / 阅读(397) / 评论(0) 分类 考研英语
学英语单词
-related
Alangalang
anemometer tower
annual fish
apparent magnetism
ATL
axim
babula
bi-focals
bladdernose
bore water
borse
Braehead
Buddon Ness
business intelligence
charge for credit
chondrocytemediated
Cinnaron
clomipramine (anafranil)
co-harmonious
composite income
condensation-preventing chemicals
continental evolution
CRVF
current cross section
cusiloy
dead load machine
disposition of stadard costs variances
distress frequencies
Dorchester
embossed printing
enrichment
Epipactis xanthophaea
Etolac
explode a bombshell
eye-brain system
feedforward mapping
Fenmetrazin
fetal period
fritz w. meissners
Goncharovka
gray bed
greater scaup
ham collar
haul distance
horse-skin
insurance statistics
interference pattern
isothermal level
jetto
Kure Atoll
last ask price
logical record processing routine
Maboulou
macro etching
meteorological wind tunnel
microprogrammable loop
multielements
oolitiferous
orbital rendezvous and docking
outdo
overflowings
overseas study tour
palm root
phosphosulphate
polyisobutenes
quercus marilandicas
regulating capacitor
returne
RifaxidinRifaximin
Robinson ester
robust regulator
roll marks
scoliopathexis
see eye to eye with someone
Shaikh Jāna
shared terminal
simulation, device
single joint with reverse action
skeletal muscle tissue
solar system physics
southern bog lemming
spindle-head
spurwing
sternpost angle
storm beat
stump dump
sub-plinian
suspend solid
Tanjungselor
taxi fare
terminal attendant
tesla break rotax break
unspaced
Upper Silesia
veronico
Wendy houses
widld the scepter
xiah
xishuangbanna dais
z-shaped nebula
Zalambdonta