进行性突变

Editors note: This is the third episode of four-part series on verb tenses. Be sure to listen to part one and part two first. For VOA Learning English, this is Everyday Grammar. Today we are going to talk about the perfect verb tenses. Perfect tenses

发表于:2018-11-27 / 阅读(781) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Lesson 82 monster 怪物 Fishermen and sailors sometimes claim to have seen monsters in the sea. 渔夫和水手们有时声称自己看到过海里的妖怪。 There are lots of stories about ghosts and monsters. 有许多关于牛鬼蛇神的故事。

发表于:2018-12-08 / 阅读(896) / 评论(0) 分类 新概念英语词汇随身听手册2

DAVID GREENE, HOST: Here's a trend. Far more Democrats are describing themselves as progressive these days than they did four years ago. There are strategic reasons candidates are embracing this label. But one major reason, as NPR's Asma Khalid repor

发表于:2018-12-18 / 阅读(400) / 评论(0) 分类 2018年NPR美国国家公共电台10月

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(351) / 评论(0) 分类 Scientific American(五)月

[0:0]private privilege probable procedure私人的,个人的 特权,优惠 很可能的,大概的 程序,手续 [2:10.9287]proceed process进行,继续下去 过程,进程 [2:34.8387]procession product profession profile队伍,行列 产品,产物 职业,自由职业 侧面,轮廊 [3:25.

发表于:2018-12-30 / 阅读(407) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our episodes on progressive and perfe

发表于:2019-01-02 / 阅读(404) / 评论(0) 分类 2017年VOA慢速英语(一)月

What Can Thanksgiving Teach You About English Grammar? Every year around the Thanksgiving holiday, a strange ceremony happens in Washington, DC. The president stands outside the White House, gives a brief speech and then officially pardons a turkey.

发表于:2019-01-03 / 阅读(401) / 评论(0) 分类 2016年VOA慢速英语(十一)月

角化与萎缩性皮肤病 毛囊角化症 dyskeratosis follicularis Mibelli汗孔角化症 porokeratosis of Mibelli 剥夺性角质松解症 keratolysis exfoliativa 掌跖角化症 keratosis palmari

发表于:2019-01-03 / 阅读(456) / 评论(0) 分类 医务英语

VIRGO August 24 to September 23 The Virgo person is a good partner. He is painstaking, meticulous, intelligent and progressive. He is not progressive in a great sense, but in small ways he is ever willing to try the new and novel. He is modest, unass

发表于:2019-01-03 / 阅读(347) / 评论(0) 分类 趣味英语

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(407) / 评论(0) 分类 Scientific American(五)月

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(556) / 评论(0) 分类 英语新闻

The Perfect Progressive Tenses Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our ep

发表于:2019-01-12 / 阅读(432) / 评论(0) 分类 2016年VOA慢速英语(一)月

Are You Progressing with Progressive Tenses? Editors note: This is the second of a four-part series on verb tenses. Click here to see part one. For VOA Learning English, this is Everyday Grammar. Today we are going to look at the progressive verb ten

发表于:2019-01-12 / 阅读(446) / 评论(0) 分类 2016年VOA慢速英语(一)月

Introducing English Verb Tenses Editors note: This is the first of a four-part series on verb tenses. Click here for part two. For VOA Learning English, this is Everyday Grammar. Today we are going to give you a basic overview of the verb tense syste

发表于:2019-01-12 / 阅读(626) / 评论(0) 分类 2016年VOA慢速英语(十二)月

STEVE INSKEEP, HOST: Richard Cordray was expected to be unbeatable in tomorrow's Ohio Democratic gubernatorial primary. The former head of the Consumer Financial Protection Bureau has high-profile name recognition and support from powerful people in

发表于:2019-01-16 / 阅读(470) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Sometimes theres a topic that doesnt quite defy explanation but certainly gives one pause in the undertaking. Lucky usthats where we find ourselves today. Why gerunds take a possessive before them. Oy. What's a Gerund? Lets start with what a gerund i

发表于:2019-01-30 / 阅读(537) / 评论(0) 分类 英语语法 Grammar Girl

访谈录,高清电视,选购,指南,We are at the Georgia Home Theater in Atlanta and if you are in the market for a new high definition or HDTV, it's easy to get overwhelmed by the letters and the numbers in the sales picture, so we ar

发表于:2019-02-03 / 阅读(499) / 评论(0) 分类 访谈录

STEVE INSKEEP, HOST: You know, when I was a kid, I watched pro wrestling on TV. The matches often featured a good guy, like Hulk Hogan, against a bad guy, a bad guy like the Iron Sheik, a cartoonish Middle Eastern evil dude. Pro wrestling played off

发表于:2019-02-13 / 阅读(406) / 评论(0) 分类 2017年NPR美国国家公共电台7月

The two remaining Democratic presidential candidates, former Secretary of State Hillary Clinton and Vermont Senator Bernie Sanders, held a tense and angry debate Thursday night in New Hampshire, days before the Northeastern state holds the nation's f

发表于:2019-02-18 / 阅读(400) / 评论(0) 分类 英语新闻

On June 4th, a volcano in southern Chile erupted, sending volcanic ash into the air. The large particles of ash soon dropped to the ground but the small particles were carried, high in the air, by the westerly wind to Australia and New Zealand. This

发表于:2019-02-25 / 阅读(367) / 评论(0) 分类 新西兰英语
学英语单词
acid mantle
agriculture backwater pollution
Amaurellina
Axat
banjaluka
be in a pet
bilharziasis
butanedioic acid
cannon ball
cannonball along
Carex nivalis
cemlyn
cephalothecium roseum corda
Claude's syndrome
courtship colour
daily average
de-ball
delta rhythm
directed discussion
dogophile
electronic masking
encinias
Enterex
erythematously
esrog
essentially singular points
fakeout
francisco fernandez cordobas
furanoeremophilone
historiographically
Imaza, R.
individual system operation
infirmative fact
inventory assets
jynx torquilla sinensis
kc-lo
kelpworts
key-seating milling machine
khun
laurocapramum
Levant berry
lew-warm
Limnophila erecta
manually plate making
McKinlay R.
memory molecule
microsporidioses
milkglass
monsterised
natural-convection recirculation
nonlinear planning
nonluminescence
obligation insurer
occupational information
offshore wildcat well
ole-
Onoclea
parent name
penalty for late shipment clause
point of presence,POP
polar electrojet
polygon of velocities
pseudo-inverse
pulp necrobiosis
radio-thermy
red-fin pargo
Reichel's duct
resler
reverse yielding
rosenworsel
sayville
scan fraction
sferics fix
shannon black box
solidoid
solution implementation
spherical(lens)
spring actuated mechanism
steam-engine
strut antenna
Suiyuan
Sulcus hippocampalis
syphilidologist
teotitln
the definite article
the inadequately employed
Tiltab
time lapse photography
top mat
transistor/transistor logic
two faced terry cloth fabric
two-on-two
ultrashort sound wave
Urania
urethritis cystica
vemas
vertiginous
wing shooting
writs of assistance
xylene (dimethylbenzene)
yaik
zinns