性调节

发表于:2018-12-08 / 阅读(152) / 评论(0) 分类 VOA标准英语2017年(一月)

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(139) / 评论(0) 分类 Scientific American(二)月

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(99) / 评论(0) 分类 英语听力文摘 English Digest

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(97) / 评论(0) 分类 60秒科学

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(三)月

如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合,学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)

发表于:2019-01-22 / 阅读(123) / 评论(0) 分类 美国文化脱口秀

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(128) / 评论(0) 分类 自然百科2009年

It was bright morning. The sun shone down on the damp lawns and sidewalks, reflecting off the sparkling parked cars. The Clerk came walking hurriedly, leafing through his instructions, flipping pages and frowning. He stopped in front of the small gre

发表于:2019-01-23 / 阅读(132) / 评论(0) 分类 英文短篇小说

They crossed the street together, Ruth holding on tight to Ed's arm. Ahead of them was the building, the towering structure of concrete and metal and glass. There it is, Ruth said. See? There it was, all right. The big building rose up, firm and soli

发表于:2019-01-23 / 阅读(601) / 评论(0) 分类 英文短篇小说

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(215) / 评论(0) 分类 60秒科学

China will increase pension allowances for disabled soldiers, families of fallen soldiers and Red Army veterans, authorities said last Friday. 中国当局上周五表示,将提高对残疾军人、阵亡战士和红军老兵家庭的抚恤津贴。

发表于:2019-02-03 / 阅读(120) / 评论(0) 分类 英语新闻

S 三角债 chain debts;inter-enterprise arrears 善政廉政 good governance 商业贷款 commercial loans 上市公司 (publicly)listed corporations 设备利用 capacity utilization 社会保障 social safety net;social security(insurance)

发表于:2019-02-06 / 阅读(149) / 评论(0) 分类 实用英语

The National Development and Reform Commission on last Tuesday announced a rise in the per-ton retail price of gasoline by 165 yuan and diesel by 160 yuan. 国家发展改革委上周二发布通知称,将汽、柴油零售价格每吨分别上调1

发表于:2019-02-07 / 阅读(125) / 评论(0) 分类 英语新闻

China has made plans to establish a central adjustment system for basic pension funds of enterprise employees to balance payment burdens of local governments. CRI's Victor Ning has more. Based on China's current pension system, a central adjustment f

发表于:2019-02-14 / 阅读(138) / 评论(0) 分类 2018CRI中国国际广播电台

Still, this uneven adjustment in the euro area could explain why both demand and inflation, 欧元区内的这种不均匀调整还能够解释,为什么一旦能源和食物价格被排除在外, once energy and food prices are excluded, have be

发表于:2019-02-17 / 阅读(110) / 评论(0) 分类 经济学人财经系列

The authorities in Beijing have decided to open a public hearing later this month for the subway price adjustment. Authorities have discussed plans to implement a metered option for public transportation. This means Beijing will end the era of flat r

发表于:2019-02-18 / 阅读(103) / 评论(0) 分类 英语新闻

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

发表于:2019-03-06 / 阅读(183) / 评论(0) 分类 英语时差8,16

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(322) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
accessible region
adoptianism
alno
Amidazophen
attemptest
awar
beckman thermometers
bridge worm
business responsibility
Chambezi
clinical medicine
composite cable
computer-based accounting system
continuous filtration
conu anterius
crucial role
cut-and-fill system
dead-serious
decarburizing action
delatinize
devotory
dignification
dije
dillane
draw closer together
ear-aches
enhancings
excelsus
executorial
extraperitoneal cesarean section
flintlocks
fused tricalcium phosphate
Gizonite
Glover Reef
good, bad and indifferent
governed steam locomotive
GUI based
gynandrosporous
heteroradical
hyperhomocyst(e)inemia
intercur
Iselin Seamount
Labechia
lacrimal lithiasis
lateral cartilages
left - behind children
less than a week
lighting hours
Loosely typed language
lose an appointment
marl application
mcguires
medium-scale map
mesogenic
molecular beam sampling
multiple management
n-heneicosane
neocytheromorpha longa
non-slipping spur
nut-crack
pay out on
perrier-jouets
polytony
posthole
primary activation word
procedural extension
Prominaletas
propellant loading ratio
pseudo-hyperbolic distance
reilleys
road conditions
rollicksome
sandage
sanitaries
sequential
sexagenary
socialization function
sodium feldspar (soda feldspar)
Spirachona
sporidesmium brachypus
sub-zero treatment device
surf casting
tail wheel landing gear
taper male threads
taraghi
Tarahumara
teye
thrust bearing cap
tower buggy
tri-purpose centrifuge
Tris-steril
turnballs
undecides
vehicle safety
vespula
video routing switcher
vivants
warfully
warming
WASP White Anglo-Saxon Protestant
WRAC
zerotest