日照处理, 昼长处理

World AIDS Day 2012 More Hopeful Than in Past According to the United Nations, about 34 million people worldwide are living with HIV, and 2.5 million were infected last year alone. In the United States, the Centers for Disease Control says there is a

发表于:2018-12-16 / 阅读(26) / 评论(0) 分类 VOA标准英语2012年(十二月)

World Mental Health Day is on October the 10th every year. It was started by the World Federation for Mental Health in 1992. The MentalHealth.org website says: It is a unified effort to promote greater public awareness and understanding of mental hea

发表于:2018-12-29 / 阅读(89) / 评论(0) 分类 英语课程学习计划和讲义

A red letter day Red tape 红颜色这个字,就是英文里的 red,也经常出现在美国的成语和俗语里,有时是正面的,有时是反面的。例如,我们在中文里说,铺上红

发表于:2019-01-06 / 阅读(164) / 评论(0) 分类 美国习惯用语

Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body

发表于:2019-01-13 / 阅读(65) / 评论(0) 分类 VOA标准英语2010年(四)月

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Hea

发表于:2019-01-19 / 阅读(43) / 评论(0) 分类 环球英语 Spotlight

Japans devastating 8.9-magnitude earthquake last Friday was so powerful that experts say it slightly increased the Earths rotation(旋转) speed, making the day a fraction of a second shorter. U.S. space agency scientist Richard Gross said the qu

发表于:2019-02-08 / 阅读(48) / 评论(0) 分类 英语新闻
学英语单词
'Urmān
acoustooptical deflection
anomalous dispersion
antipyrotic
apparent noon
balloon-based radio astronomy
bass -bar
benthamism
bravura
channel entrance
charles taze russells
computer control mode
controller setting
core conductor
debris removal
Deiters' nuclei
Derryerglinna
dibenzoyl methane
dip in one's purse
direction switch
disease model
divorced person i
Dorothy L Sayers
emery cylinder
ened
epoca
equicharacteristic
gene model
gestation sacs
getes
glycyrrhizates
group centrospermaes
Hemiboeopsis longisepala
high-energy cross-section
honokior
induced precipitation
Jimi Hendrix
jockoes
jugoslavs
labelled common name
laser beam tracker
lead carbonate (cerussite)
lessers
lime crown glass
limited convertibility
line sequence
liquation refining
mediastinotomy
mega-merger
non-standard operating condition
nucleoside diphosphokinase
oft-told
ollulanuss
orright
osteosclerotic
Pelean cloud
phase contrast microscopy
piezomagnetic material
port blocked state
positive spinel
process mode
processing cell
progress rate
proportion of the equipment good condition
quantity per pack
re categorize
reference class instrumentation
respersion
revir
rifle butt
Schwarz's lemma
scoop-net
scripter
shaft of phalanx
Shelton
so-how
sodium jarosite
sonar trainer
source space function
south-easterlies
stairwise
stock saddles
struck string instrument
sumti tcita
surface movement control
swing tray oven
tarses
TFAE
tothes
trichloro-hydrin
unit lower triangular matrix
universal compact group
valvular insufficiency
Venus shell
vv. cavernos? (penis)
williamsonoia
wire screen
WNBA
worm escapement
written contract
younghede
Zeehan