二次变分问题

A: I was supposed to meet with you at 1:30. B: Yes, I see. What did you need to see me about? A: There's a problem with my schedule. B: What's the problem? A: Two of my classes occur at the same time. B: Well, I can see that's a problem. A: Is it at

发表于:2018-11-30 / 阅读(272) / 评论(0) 分类 英语情景对话-大学生活

A: I have an appointment for 1:30. B: What can I help you with? A: Well, I have a problem with my class schedule. B: What is it? A: It seems that I've been given two classes scheduled at the same time. B: I can understand the problem with that. A: Is

发表于:2018-11-30 / 阅读(222) / 评论(0) 分类 英语情景对话-大学生活

Teacher Uses Music to Make Math Fun, Cool Making math fun The voice heard in the video belongs to mathematics teacher Jake Scott. Most of the performers are his students. Watching videos is not part of their daily routine but it is one of the essenti

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 VOA标准英语2013年(一月)

A: What can I help you with today? B: I need to talk to you about transferring. A: Where did you want to transfer to? B: I have no idea. A: You have plenty of time to think about it. B: What do I need to do in order to transfer? A: Youre going to nee

发表于:2018-12-17 / 阅读(105) / 评论(0) 分类 大学英语对话

By Carol Pearson Washington, DC 15 September 2006 watch Meth and Dental Care Methamphetamine Ice Methamphetamine is an addictive drug that can damage brain cells. It is suspected to cause a movement disorder similar to Parkinson's disease. Meth use

发表于:2019-01-07 / 阅读(221) / 评论(0) 分类 2006年VOA标准英语(九月)

A: Good morning, is this Ryan? B: You are speaking with Ryan. How can I help you? A: Ryan, this is Malia, and I need to call in sick today. B: What seems to be the problem? A: I went hiking and have terrible poison oak. B: When did you get that? A: I

发表于:2019-01-10 / 阅读(104) / 评论(0) 分类 英语情景对话-健康

By Paul Sisco Washington, DC 27 October 2006 watch Deforestation report Deforestation, an ongoing problem, is receiving new scrutiny, this time from the World Bank. It is all part of the bank's mission to reduce global poverty by spurring economic g

发表于:2019-01-11 / 阅读(172) / 评论(0) 分类 2006年VOA标准英语(十月)

Political Differences Cloud Obama Job Proposals President Barack Obama's speech on the U.S. economy is just the latest in a long history of government proposals to stimulate economies and put people back to work. But with the U.S. economy expanding m

发表于:2019-01-13 / 阅读(138) / 评论(0) 分类 VOA标准英语2011年(九月)

The U.S. energy secretary says global warming is proceeding more quickly than originally predicted. Stephen Chu is in China, the world's top emitter of the greenhouse gases that cause global warming, to urge greater Sino-American cooperation to comb

发表于:2019-01-14 / 阅读(122) / 评论(0) 分类 VOA标准英语2009年(七月)

By Margaret Besheer Washington 07 February 2007 Egypt's foreign minister says solving the Israeli-Palestinian conflict would go a long way to bringing peace to the Middle East and diminishing the allure of extremist groups. Speaking to an audience in

发表于:2019-01-16 / 阅读(168) / 评论(0) 分类 2007年VOA标准英语(二月)

So this is the complexity of the world that surrounds us. 所以这就是我们所处环境的复杂性。 This perhaps is why we find the God complex so tempting. 这也许正是为什么我们发现万能神力这么有吸引力的原因。 We tend

发表于:2019-01-18 / 阅读(111) / 评论(0) 分类 TED演讲教育篇

A: Can we talk? B: What about? A: Im not too clear on some things about my lease. B: Is there a problem? A: How many years is my lease for? B: In three years your lease will be up. A: Can I move out before those three years? B: If you do, I will keep

发表于:2019-01-20 / 阅读(123) / 评论(0) 分类 地道英语对话-租房

A: I would like to talk to you, if you have time. B: Whats going on? A: I want to discuss some things about my lease. B: What arent you too sure about? A: Can you tell me when my lease is up? B: Your lease is for three years. A: If I ever decide to l

发表于:2019-01-20 / 阅读(123) / 评论(0) 分类 地道英语对话-租房

A: Hi, is this the water company? B: This is the water company. May I help you? A: As a matter of fact, you can. B: What do you need? A: In a few days, Im going to be moving. B: Okay, and what do you need help with? A: Im going to need the water turn

发表于:2019-01-20 / 阅读(133) / 评论(0) 分类 地道英语对话-租房

A: Am I speaking with someone from the water company? B: Yes. Can I assist you with something? A: I certainly hope so. B: Whats the problem? A: I will be moving into a new house in a few days B: What exactly do you need my help with? A: Ill need you

发表于:2019-01-20 / 阅读(145) / 评论(0) 分类 地道英语对话-租房

A: I have a problem that needs fixing immediately. B: What is it? A: I think that a pipe broke in my ceiling. B: How do you know? A: The ceiling is wet and water is dripping onto my carpet. B: Your apartment isnt flooded, is it? A: Not yet, but my ca

发表于:2019-01-20 / 阅读(125) / 评论(0) 分类 地道英语对话-租房

A: I have a problem. B: Whats the problem? A: A pipe burst in my ceiling. B: Why do you think that? A: There is water dripping from my ceiling. B: Is it causing a flood in your apartment? A: No, but my carpet is getting wet. B: How long has this wate

发表于:2019-01-20 / 阅读(137) / 评论(0) 分类 地道英语对话-租房

A: Im calling about a problem with my apartment. B: Tell me what the problem is. A: There must be a leaking pipe in my ceiling. B: Are you sure? A: There is water leaking from my ceiling. B: Is the water flooding your apartment? A: Its not flooding,

发表于:2019-01-20 / 阅读(138) / 评论(0) 分类 地道英语对话-租房

A: Is Alice available? B: You're talking to her. A: I've called you a hundred times today. B: I was busy doing something. I apologize. A: No problem. B: Did you need something? A: Did you want to do something tomorrow? B: Is there somewhere special y

发表于:2019-01-20 / 阅读(162) / 评论(0) 分类 英语闲谈

Todd: Now Jason, you're an artist. Jason: That's right, yep. Todd: What kind of artist are you? Jason: I draw all sorts of things, but mostly I like to draw on the computer, using photoshop. Todd: Oh, really. Jason: Things like that. Todd: OK, was it

发表于:2019-02-05 / 阅读(151) / 评论(0) 分类 原版英语对话1000个
学英语单词
a timesaving technique for measuring
adradial
alloy metallurgy
ammonium nitrate powder
average grade of service
Battey's operation
brass plug
Bryant's line
butler-slosses
buyuk gecit
can lead nowhere
Cardiospermum
charge to capital
chronic infective lymphadenitis
cicatricial entropion
cistone
clubfooted
complex space of several dimensions
contour of nasal tip
crank bearing casing
de-sulphurizations
dead burnt
desensitisation procedure
dibenzylidene
differentio-integral equation
Dirichlet multiplication
discrete assembly
ditetragonal dipyramidal class
duty cycle capacity
dynamic sector
ELDR
end wedge
epistratal
fafsa
festen
flook
gas heat pump
gnawer
harmonic balancers
hectol.
high quartz
Iberian lynx
individualistic government
infrared temperature
interexperiment
isorad
labiolingual plane
Laryngoesophagectomy
lithobates catesbeiana
magmatic differentiation
mangabe
met-stick
mid-November
mixacarus exilis
natta's heat engine
Neronize
no-parent
nonpolicies
optimization techniques
panchrest
paralophules
Pasteur's liquid
pellet stack
phosphating coat
play the sedulous ape
Populus hopeiensis
positive clause
prekindergartens
RBAC
reel line
relative value of money
rubidium superoxide
scalloped wheel
sea measurements
sedimentary association
selenhydric acid
semiorbicalar
semiproduction line
shut the stable door when the horse has been has bolted
silver berries
slave memory dump
soulful
Spillum
stomatal cell
subject copy
sundi
superhigh speed alloy
sweet bellss
t-shape beam
Tabasaran
talent-spotter
telescope house
unbalanced magnetic pull
unperturbable
upward swing door
uranium z
Vokhtoga
wave generator
West Jefferson
wheat stalk articles
X-band limiter attenuator
yellow sapphire