音标:['meθɪl] ;
n. 【化】甲基
[网络] 甲基烟酸甲酯(Methylnicotinate);甲醇;羟基苯甲酸甲酯

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(80) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(125) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(126) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(80) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(151) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(126) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(160) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(129) / 评论(0) 分类 VOA2003(下)-环境与健康

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(150) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(117) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a bad dream
a hoist
a jaundiced view
a3
accessories of milling machine
albumin suspension test
aminoacyl phosphatidylglycerol
amorphous mineral
anticipatory device
anticorset
Arderone
atlantic standard times
atricide
automatic tandem networking
bankman
bursa tuberosissima
Centaurium calycosum
chlorostannic acid
circlage
class board
classical narratology
coaxial cavity coupled magnetron
combatant craft
compulsory reinsurance
conidiocarp
daffle
data service
deflowerments
density-gradient sedimentation
depth of chamfering
Dibenzlhione
directory assistance bureau
drawk
dry blast cleaning
Elpis
entrance friction
erosion of family
expresses feelings
gas warfare
get your just deserts
GM_reported-speech-reporting-nouns
go to the cleaners
gun-tap
half-wave amplifier
heterocotylus
high moorland
Hindi-Urdu
inferior cerebellar veins
inspection of chamber
interoceptive conditioned reflex
isotope containing instrument
july-august
kryptomnesia
labile factor deficiency
lay store on
Le Coteau
Lehigh jig
lemon beverage
lobus anterior cerebelli
logandale
lumiphores
macrophage activating factor
mesh of trees
mini-moto
Modification of Salvage Contract
nanoconverter
noise-free feedback
nonfugitive
nonresonant antenna
numskull
one-inch-thick
operation analysis
pignataroes
placental adherence
Platycarya strobilacea Sieb.
potash-feldspar
precedence constraints
reascends
Rengasil
Rhiou, Oued
Rifoldin
rotational resistance
sallet
shirthunt
somare
spewiness
structural dynamic modification
symmetrical flight
telescopic objective
timbering
total air
toxications
treaty of amity and commerce
unbundled access
vary directly as
veinlike
warishes
West Unity
wide oval tire
witnessed to
wood nail
work saddle