5-羟基-3-硝基吡啶

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(230) / 评论(0) 分类 英语情景对话-日常生活

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(180) / 评论(0) 分类 英语情景对话-日常生活

A: What does it cost to ride this bus? B: The fare is $1.25. A: Have you been driving buses a long time? B: I haven't been driving for longonly for a few months. A: Do you like to drive the bus? B: Not in the least bit. A: I would have never dreamed

发表于:2018-11-30 / 阅读(201) / 评论(0) 分类 英语情景对话-日常生活

A: Do you know where you want to transfer to? B: I dont have the slightest clue. A: What school would you like to go to? B: Im not sure. A: You honestly have no idea? B: PCC is perfectly fine for me. A: You might as well stay here. B: Thats not a bad

发表于:2018-12-12 / 阅读(124) / 评论(0) 分类 大学英语对话

A: Have you figured out where you want to transfer to? B: I cant think of where to go. A: Where would you like to go to school? B: I really dont know. A: You cant think of anything? B: I really like where Im at now. A: So, why dont you just stay here

发表于:2018-12-12 / 阅读(87) / 评论(0) 分类 大学英语对话

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(154) / 评论(0) 分类 国家地理2008年

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(124) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(372) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(370) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(225) / 评论(0) 分类 英语对接游戏

伊迪娜门泽尔( Idina Menzel), 1971年5月30日出生于美国纽约。伊迪娜门泽尔凭借百老汇经典舞台剧《女巫前传》中饰演阿尔法巴一角,获得托尼奖最佳女演员奖。1995年出演《吉屋出租》开始百

发表于:2019-01-10 / 阅读(134) / 评论(0) 分类 英乐时空

A: I think that that car drove really well and is a good deal. B: It seems to be a good choice for you. You might want to have a mechanic take a look at it just to be sure. A: My friend is a mechanic and he came and looked at it for me this morning.

发表于:2019-01-11 / 阅读(110) / 评论(0) 分类 英语情景对话-买车

A: That car is exactly what I want so I probably should buy it. B: From what I see, it's a good deal. Should a mechanic check it out for you? A: A mechanic looked at it for me on Tuesday when I first looked at it. B: It's good that you took care of t

发表于:2019-01-11 / 阅读(135) / 评论(0) 分类 英语情景对话-买车

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(158) / 评论(0) 分类 VOA标准英语2012年(三月)

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(171) / 评论(0) 分类 自然百科2008年

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(154) / 评论(0) 分类 健康与经济

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(119) / 评论(0) 分类 英语新闻

By Brian Padden Irbil, Iraq 17 August 2007 The death toll from a series of suicide attacks on Iraq's Yazidi sect on Tuesday continues to rise. Officials now estimate at least 400 people were killed and hundreds more wounded when four truck bombs expl

发表于:2019-02-03 / 阅读(180) / 评论(0) 分类 2007年VOA标准英语(八月)

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(128) / 评论(0) 分类 听播客学英语

Idina Menzel,美国女演员,歌手,词曲作者。百老汇知名才女。在Rent和Wicked中出演重要角色而闻名。托尼奖得主。虽然唱歌不是她最主要的发展方向,但为数不多的专辑(这张I Stand仅仅是她的个

发表于:2019-02-21 / 阅读(135) / 评论(0) 分类 好听的英文歌曲
学英语单词
4-benzopyrone
action stack
Ariel toucan
asidew
Berle
boiling water reactors
bolinichthys supralateralis
Capitanian
cardinal marks of buoyage system A
changeset
Chief Justice of the United States
clonic convulsion
collateral of nerve
commerges
commissure of lips of mouth
comparative standard
compressional folding
craniomandibularly
croupades
cry of pain
delayed distortion
disloyals
enterprise resource management
Entrena
equi-pressure contours
evolutionary physiology
falciform ligament of liver
Fitch, Clyde
flexible plastic
flower morphology
fodder mixing machine
formatted request
Ganshu (B18)
gastritis
Gd-DOTA
giyang (kiyang)
griddle-cake
Helstonians
high purity water
high-frequency ceramic filter
high-irno briquettes
horizontal diagonal
hospitalwide
im pleadable
immediate cost
inkey
islamizations
IWSN
lexical meaning
liborio
macro pipeline
main storage read-write channel
Marcq-en-Baroeul
mastersii
misfame
modula-2 programming languages
mooring brdle
mossgreen
Mudminnow
oak-tanned belt
offset press
one-electron
Pacinian
paleotopographic map
pautovite
peoplerazzi
perinatal cardiopathy
pneumatic control element
protraction
pycnogonidas
rake over
reimbursee
resistance of parallel
rhinelcos
river water treatment plant
Rubus rufus
sales warrant
scapul-
sidegaze
single part production
Skopelou, Diavlos
spontaneous redox reaction
sprummer
stigma of degeneracy
supermind
sympathetic nerve
tectonic selection
terrain illumination
to run off
trabecula septomarginalis
unips
unit-price
utcps
velvetleaves
virtual plan-position reflectoscope
Wilkins Micawber
window dub
Y maze
yaa
ywist
Zarathushtra