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Lesson 23 All For a Son Text A The desire for a son and heir is common to all mankind. In our country, especially, to have as many male descendents as possible has always been regarded as the greatest

发表于:2018-12-02 / 阅读(543) / 评论(0) 分类 中级口语教程

第五篇 感觉器 Section 5 Sensory Organs 概述 Outline Discription esteroceptor 外感受器 interoceptor 内感受器 proprioceptor 本题感受器 receptor 感受器 sensory organs 感觉器

发表于:2018-12-05 / 阅读(286) / 评论(0) 分类 医学英语

everything happens for the best,my mother said whenever I faced disappointment. If you can carry on, one day something good will happen. And you'll realize that it wouldn't have happened if not for that previous disappointment. 每当我遇到挫折时,母亲

发表于:2018-12-07 / 阅读(216) / 评论(0) 分类 英语散文阅读

HEALTH REPORT - May 22, 2002: Guggulsterone Cholesterol By Nancy Steinbach 21 May 2002, 20:20 UTC This is the VOA Special English Health Report. Researchers say that a natural substance found in some

发表于:2018-12-07 / 阅读(235) / 评论(0) 分类 健康与环境

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but there may be an actual biological

发表于:2018-12-24 / 阅读(221) / 评论(0) 分类 Scientific American(七)月

LSD is one of the most potent hallucinogenic drugsactive at just around 100 microgramsa miniscule amount. That fact has fascinated pharmacologists for decades. Namely, how can it have such long-lasting effects12 hours or moreat such tiny doses? To fi

发表于:2018-12-24 / 阅读(172) / 评论(0) 分类 2017年Scientific American(一)月

People with a particular variant of a dopamine receptor were more likely to drink more after watching other people drink heavily Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but

发表于:2019-01-02 / 阅读(234) / 评论(0) 分类 60秒科学

By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin

发表于:2019-01-03 / 阅读(245) / 评论(0) 分类 VOA2004(下)--健康科技

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(281) / 评论(0) 分类 Scientific American(三)月

Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid

发表于:2019-01-08 / 阅读(259) / 评论(0) 分类 Scientific American(六)月

Promising Target For Malaria Vaccine Identified British researchers have discovered a biochemical key used by the malaria parasite to invade human blood cells. The discovery could pave the way for an effective malaria vaccine. The Plasmodium malaria

发表于:2019-01-13 / 阅读(254) / 评论(0) 分类 VOA标准英语2011年(十一月)

Sepsis is a severe infection that can often be fatal, particularly in obese patients. Now, a new study suggests why obese patients are at greater risk and suggests a possible new approach to treatment. Sepsis is seven times more likely to kill patien

发表于:2019-01-14 / 阅读(187) / 评论(0) 分类 VOA标准英语2010年(十)月

疟疾疫苗研制取得新进展 British researchers have discovered a biochemical key used by the malaria parasite to invadehuman blood cells. The discovery could pave the way for an effective malaria vaccine. ThePlasmodium malaria parasite has a c

发表于:2019-01-14 / 阅读(335) / 评论(0) 分类 VOA标准英语2016年(八月)

I slept last night with my wife but those crazy legs of hers are driving me crazy. Did she kick you in her sleep? Sometimes,but that's not the half of it.She's got this thing called Restless leg syndrome and it makes the legs sort of itch, and the on

发表于:2019-01-26 / 阅读(208) / 评论(0) 分类 英语听力文摘 English Digest

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(289) / 评论(0) 分类 经济学人科技系列

Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo

发表于:2019-01-30 / 阅读(228) / 评论(0) 分类 60秒科学

Research for new painkiller finds inspiration in chili peppers Naomi Seck | Washington, DC 04 May 2010 Inspired by chili peppers, researchers are working toward a painkiller that could stop the brain from registering the presence of pain. Related Lin

发表于:2019-02-06 / 阅读(197) / 评论(0) 分类 VOA标准英语2010年(五)月

Okay. 好了 So what is the daf-2 gene? 那么daf-2基因到底是什么? Well as you know, genes, which are part of the DNA, 正如大家所知,基因是DNA的一部分 they're instructions to make a protein that does something. 它们是经编码

发表于:2019-02-14 / 阅读(244) / 评论(0) 分类 TED演讲科学篇

Ketamine is a horse tranquilizer but also a popular but illegal recreational drug on the club scene. Now researchers in the English National Health Service say it could be a dramatic new treatment for depression. They've conducted a small trial. A mo

发表于:2019-03-04 / 阅读(210) / 评论(0) 分类 英语听力精选进阶版

However, the observation that morphine can decrease social behaviors as well prompted scientists to investigate the connection between the opioid system and social relationships. They compared normal baby mice to baby mice lacking a crucial opioid re

发表于:2019-03-06 / 阅读(414) / 评论(0) 分类 英语时差8,16
学英语单词
abuse of economic power
additional transfers
AICIC
Albestroff
all-pass lattice
an nan kuo y?eh
Anicius Manlius Severinus Boethius
approximable in polynomial time
arched bent
bas qarvand
be the case with
booze artists
bulbopontine
caddy
channel sampling rate
Chaperon winding
chrtien
citrus whiteflies
coactively
cold straightening
come into wear
contact tin plating
controllability
crime story
cum-dumpster
Cuzticite
department of social security
depilating agent
diameter of electrode
differential compound motor
direction annexed traverse
disiloxanylthio-
ductile steel
eilleens
endocythere tikushiosa
ethernet alliance
expanding telescope
Facing I.
fandub
fedrilate
flast
for all time
gay-in
general duty
generator excitation circuit
Guadiaro, R.
hydraulic offset excavator
hydroximic acid
hypothalamus-pituitary system
inter-relating
katahn
kilograms per second
launch time
lemonnier
lig. incudis superius
lungie
meat-based
metal rule
mine concession
moderationisms
multifunctional Chinese language information processing
munzel
noisy generator
observation system map
on the string
packagings
parsing tree
Perales del Alfambra
photosensitized radical polymerization
plant lodging
polymorphonucleocytes
port-of-entry
potassoxyl
primary yold cell
prosimiis
pump mechamical seal
pumped up
Qirbah
run macro
Sabana, Arch.de
shanking
shell company
sidelamps
simsek
skied
spring bog
standard oxidation-reduction potential
stepless planing boat
subministrated
system invariants
tambaqui
tandem actuator
tee iron T
TEM wave
trevinoes
triamide
two times
two-tier pay plans
waveform transmission
waxcandle