分离定理

《竞速灭绝》为《血色海湾》导演最新纪录片,科学家预测本世纪末将会有一半以上的物种从此消失,更进一步指出我们已经来到地球史上第六次大灭绝时刻,而人类正是引发第六次灭绝的因

发表于:2018-12-14 / 阅读(181) / 评论(0) 分类 英乐时空

A flie photo of pharmacy [File photo: Chinanews.com] A new medical reform program is officially underway in Beijing as of this Saturday, with expectations the policy changes will end up giving patients more healthcare options and more access to the m

发表于:2018-12-20 / 阅读(163) / 评论(0) 分类 2017CRI中国国际广播电台

This is Bob Smith from Channel 13 News. I'm at the scene of a miraculous rescue that occurred earlier today involving a fire, a 3-month-old baby, and the baby's dog, Lucky. Uh, the fire broke out at the three-story building behind me. Uh, unfortunate

发表于:2018-12-28 / 阅读(179) / 评论(0) 分类 听英文对话做选择

An audio recording was published Monday that appears to capture the voices of young children crying out for the parents at a U.S. immigration detention center. The audio file was first published by the nonprofit news group ProPublica. The recording a

发表于:2019-01-03 / 阅读(190) / 评论(0) 分类 2018年VOA慢速英语(六)月

MARY LOUISE KELLY, HOST: The Department of Homeland Security is defending the Trump administration's tough stance on immigration. Kirstjen Nielsen says her agency is simply enforcing laws already on the books, and she is responding to critics who say

发表于:2019-01-16 / 阅读(175) / 评论(0) 分类 2018年NPR美国国家公共电台5月

RACHEL MARTIN, HOST: General John Kelly is at the center of what is arguably the most turbulent presidential administration in modern times. A decorated four-star Marine Corps general with four decades in the service, he serves as chief of staff in t

发表于:2019-01-16 / 阅读(222) / 评论(0) 分类 2018年NPR美国国家公共电台5月

AUDIE CORNISH, HOST: Protesters are gathering in more than two dozen cities across the country to condemn the practice of separating immigrant parents and children at the southern border. At least 600 children were taken from their parents last month

发表于:2019-01-17 / 阅读(141) / 评论(0) 分类 2018年NPR美国国家公共电台6月

数学常用短语与从句 Phrases or clauses frequently used in mathematics 常见的涉及运算的短语或句子 1. Differentiate both sides of the equation and we get... Integrate both sides of the equation and we get... 2. Differentiating both sides of the equatio

发表于:2019-02-07 / 阅读(205) / 评论(0) 分类 英文语法词汇
学英语单词
3d
a fit of temper
additional redundancy
additive(s)
all singing, all dancing
AN arrival notice
bake board
beaverskin
blind department
bran tub
bundorans
by-time
calcium hydrogenphosphate
caudal style
Chinese radishes
Civitanova Marche
colobus quereza
contact fuse
corallites
corrobration of witnesses
cutis laxa
cvipal sodium
cyanidiophytes
dailyness
detailed regulation
draft regulations
duiker
embryonal adenosarcoma
engine room casing
f'in'
fiair
fiber diffraction
flexs
form variation
free-trader
galoshoes
good humouredly
gravity lubrication
Grecize, grecizing
hair group
Homo erectus
hyphoid
Hystrichospherida
inspection certificate of weight
Kadane's algorithm
keyboard common contact
kickbans
krauskopfite
Lame constants
laxative drug
limit of effective range
linking constraint
liquor pump
logographical
loss of profit
luckers
Microsoft Exchange
mineral insulation
minimalls
muck-up day
Muslimicide
mycosphaerella platanifolia cooke
non metal non metal eutectic alloy
nonuniform flow
not joking
oudemansiella radicata
overtrumped
oxbow
party pastie
pen tests
personal suretyship
PHEMA
piggish
ping ya
Pliocene Series
Polanders
powder coating technique
Pressbaum
prestressed rock bolt
reins of power
runoff producing precipitation
sabiha
self-contained guidance
separation standards
Sharpey-Schafer method
shuvit
silicon probe
slag entrapment
software verification technique
sohs
spatial arrangement of marine resource exploitation
Tanarius major
tool post screw
transverse current
ultrasimplify
unbaying
unsalutary
Valdivia
water content meter
wet seal holder
without encumbrance
Yingcheng gypsum