音标:['kɔsti'fiʃәnt] ;
a. (=cost-effective)有成本效益的,值得花钱的,合算的,划算的
s productive relative to the cost

词性分布:
形容词100%
【近义词】

Four Efficient Ways to Improve Your Speech Use More Facial Expression One psychologist feels that our facial expression is responsible more than anything else for the impression others have of us. In

发表于:2018-11-28 / 阅读(140) / 评论(0) 分类 疯狂英语2004年

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.02]1994 Passage2 [00:08.34]One hundred and thirteen million Americans [00:11.66]have at least one bank-issued credit card. [00:15.00]They give their owners automatic credit in stores, [00:1

发表于:2018-12-01 / 阅读(155) / 评论(0) 分类 历年考研英语阅读理解

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(八)月

第一句:This model of typewriter is efficient and endurable, economical and practical for middle school students. 我方这种型号的打字机性能高,耐用,经济,实用,适用于中学生。 A:We are interested in your computer and

发表于:2018-12-26 / 阅读(60) / 评论(0) 分类 天天商务口语

第一句:This model of typewriter is efficient and endurable, economical and practical for middle school students. 我方这种型号的打字机性能高,耐用,经济,实用,适用于中学生。 A: We are interested in your computer and

发表于:2018-12-26 / 阅读(58) / 评论(0) 分类 天天商务口语

Topics: American Presidents-William Howard Taft; deprecated versus obsolete versus outdated; to insist versus to persist; to set (one's) jaw square Words: justice to appoint ally appeal to turn down advisor successor campaigning conservation to rig t

发表于:2018-12-26 / 阅读(62) / 评论(0) 分类 美语听力 English Cafe

eat v.吃 echo n./v.回声,回响;共鸣 economic a.经济学的,经济(上)的 economical a.节省的;经济学的 economy n.经济;节约 edge n.边,边缘;刀口,刃 edit vt.编辑 edition n.版,版本 editor n.编者,编辑 ed

发表于:2018-12-30 / 阅读(115) / 评论(0) 分类 大学英语四级词汇拼读版

今天我们要学的词是efficient。 Efficient, 效率高的。最近研究发现, Efficient people don't strive to get everything done perfectly; they only focus on the most important projects, 高效律的人并不把每一件事都做到完美无

发表于:2019-01-07 / 阅读(77) / 评论(0) 分类 英语单词荟萃

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(五)月

My Views on Examination Nowadays the examination is used as a chief means of deciding whether a student succeeds or fails in mastering a particular subject in most colleges and universities. Although it is efficient, its side effects are also enormou

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 英语四级作文范文

Automakers Marketing More Fuel Efficient, Compact Cars After 15 years on the assembly line, Detroit autoworker Nicole Current is about to become unemployed. I make truck axles, so as the auto industry tries to get away from the larger size vehicles,

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 VOA标准英语2012年(一月)

1.They ____the report to the State Council for approval. A)made B)leave out C)committed D)admitted 2.I ought to have insisted on ____ a thorough rest before you left for New York. A)you to takeB)your taking C)that you takeD)you taking 3.A table made

发表于:2019-01-16 / 阅读(73) / 评论(0) 分类 大学四六级阅读

If we went with Bob's philosophy, I think we'd actually end up with a more efficient immune system. 如果我们同意鲍勃的观点,我们实际上肯定了一种更为高效的免疫系统 And efficiency is always important in the short term. 而且

发表于:2019-01-18 / 阅读(82) / 评论(0) 分类 TED演讲科学篇

One of the greatest things about our operation is, because it's so efficient, we spend so much more on the cost of ingredients, which definitely comes through on the flavor. 我们在运作上最棒的一点就是:因为机器做料理的效率很高

发表于:2019-01-20 / 阅读(57) / 评论(0) 分类 留美老师带你每日说英文

RICK KARR: Portland, Ore., is at the vanguard of the war to reduce gasoline consumption. You can find evidence all over its downtown area ... and at its car dealerships. EARL BLUMENAUER: We're looking at hybrids, plug-in hybrids, electric cars. There

发表于:2019-01-27 / 阅读(95) / 评论(0) 分类 PBS访谈社会系列

Rebecca and I forged for a couple of hours,and and... 我和丽蓓卡伪装了几小时 后来... it looked like rain, 看样子要下雨了 So... we both figured 所以 我们觉得 it'd be more efficient to split up. 分头行动效率更高 And an

发表于:2019-01-29 / 阅读(99) / 评论(0) 分类 陨落星辰第一季

18招促环保(双语) 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。在中国,平均每户每年的碳排放量是2.41吨

发表于:2019-02-06 / 阅读(158) / 评论(0) 分类 实用英语

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(69) / 评论(0) 分类 英语新闻

说明文阅读提高方法

发表于:2019-02-09 / 阅读(81) / 评论(0) 分类 英语学习方法

《论语》中有这样一句话: 曾子曰:吾日三省吾身;为人谋而不忠乎?与朋友交而不信乎?传不习乎? 翻成白话是这样: 我每天必定用三件事反省自己:替人谋事有没有不尽心尽力的地方?

发表于:2019-02-13 / 阅读(54) / 评论(0) 分类 卡卡课堂早餐英语
学英语单词
231
absitively posolutely
all goes down gutter-lane
all published
assimilatory quotient
authentic cadence
be enthroned in the hearts
benzyl acrylate
biogenic graded bedding
brogue
buying group
career pathing(CP)
cartelisation
Castejon
cellular organelle
chemigroundwood
Cheyenne River Indian Reservation
close epiphytotic disease
close inbreeding
Colima
Cornell-Coxe test
cross-blocking thinning
crosscurrent extraction
cultural resource management
curtilage
eccentric band
electrically actuated convertible top
electrolytic recording paper
Eurofascism
export commission
extraductal
family-owned company
filling block
fixed sole oven
Flensborg
forevermores
frettage
from the housetops
frontier traffic
further standard function
general chamber of commerce
get the drop on sb.
globall
help file name
hydrosoluble
illuminor
in spite of someone's nose
Inf.
inspection and acceptance
Jadelot's signs
kayans
left-hand helical gear
light button
ling hsing wu
low life
mailing address
make-up water pump
mandler
master-screw
mirandina corticola
modern game
MODSS
oil transformer
Ophiorrhiziphyllon macrobotryum
Oued Tinn
pattern plate bolster
perforation density
phonon-terminated laser
pre-digested
process queue
pulverizer
push poll
re-enabling
recanter
refresher driving
retaining possession
safety platform
saltern
savings certificate
sea crawfish
self tipping skip
semeterrie
Seminole Wars
settling
sheva
side-by-side reactions
sponge-iron
substitute t-ratio
substratum for waterproofing
symbol concatenation
Synotis longipes
time-switches
trait by treatment interaction
transfer data record
treble
true yellow
Tyrian purple
underdrain of filter
unfrilly
untuckered
W star
warlessness