音标:[,pɔli'faiəudɔnt] ;
adj.
【动物学】(鱼类或低等脊椎动物)多换性齿的
n.
多换性齿动物

A: Hello, how are you doing? B: Pretty good, and you? A: I'm doing great. B: That's great to hear. A: So how long have you been going to PCC? B: I've been going here for a couple years now. You? A: This is my first year. B: How do you like it so far?

发表于:2018-11-30 / 阅读(351) / 评论(0) 分类 英语情景对话-大学生活

A: How are things with you? B: Not too bad. How about yourself? A: Not bad. B: I'm glad to hear that. A: Have you been going to PCC long? B: I've only been here two years. How about yourself? A: I just started this year. B: Do you like it? A: It's fi

发表于:2018-11-30 / 阅读(310) / 评论(0) 分类 英语情景对话-大学生活

Jessica: Let's see. My mom is three years older than my dad, and they are like night and day. My mom is 5 foot 4, on a good day, 5 foot 2, I think in real life, and she is very sweet and very nice, and very caring, and very cute, everybody tells her

发表于:2018-12-02 / 阅读(225) / 评论(0) 分类 原版英语对话1000个

A: I cant believe Obama is our President. B: I am proud to know that he is our President. A: You voted for him, right? B: Did you vote for him, because I know that I did. A: I did, too. B: I have nothing but faith in Obama. A: Really? B: Im sure he w

发表于:2018-12-02 / 阅读(247) / 评论(0) 分类 英语情景对话-选举

A: Can you believe that Obama is our new President? B: Im so happy about that. A: Did you vote for him? B: I sure did. How about you? A: I voted for him. B: I have complete confidence in our new President. A: Is that right? B: I know he will help cha

发表于:2018-12-02 / 阅读(207) / 评论(0) 分类 英语情景对话-选举

Everyone knows Mothers Day and Fathers Day, but not many people know about Parents Day. This started in July 1994. President Bill Clinton signed a law that made the fourth Sunday of July a day we can celebrate both of our parents. The law says Parent

发表于:2018-12-04 / 阅读(321) / 评论(0) 分类 英语课程学习计划和讲义

A: Does your chicken taste all right? B: The chicken tastes wonderful, but it is kind of dry. Is your fish OK? A: My fish has good seasoning but is a little dry. B: It seems as if they got busy and left it sitting before it got to us. A: Yes, maybe t

发表于:2018-12-16 / 阅读(336) / 评论(0) 分类 英语情景对话-餐厅

Cynthia and George went shopping together at Wal-Mart. I need a water dispenser for my office, Cynthia told George. What do you mean by water dispenser? George asked. You know, one of those things that they put the big five-gallon jug upside down int

发表于:2018-12-31 / 阅读(246) / 评论(0) 分类 365个英语简短小故事

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-02 / 阅读(420) / 评论(0) 分类 午后咖啡

Grammar Girl here. Today's topic is sentence fragments. I often imagine that listeners are writing articles and essays and books, but I was recently reminded that some people make their living writing shorter things like headlines and ad copy, and th

发表于:2019-01-02 / 阅读(321) / 评论(0) 分类 英语语法 Grammar Girl

A witness to the terrorist mall attacking Kenya say several attackers were women and one of them white. Kenya officials are so sure that one of them has been the so called white widow or wide has been issued for. Let's get started. Tonight the Kenya

发表于:2019-01-11 / 阅读(354) / 评论(0) 分类 美联社新闻一分钟2013(十月)

A: George, is your chicken OK? B: It tastes great, but it is really dry. Is your fish all right? A: My fish is very dry. B: I wonder if they left it sitting around too long before they served it. A: That's exactly what I was thinking had happened. B:

发表于:2019-01-15 / 阅读(312) / 评论(0) 分类 英语情景对话-餐厅

A: Hey George, how is your chicken? B: My chicken tastes all right, but it is pretty dry. How is your fish? A: My fish is pretty dry too. B: It's almost as if this food has been sitting a little too long. It doesn't seem fresh. A: Yes, it seems that

发表于:2019-01-15 / 阅读(329) / 评论(0) 分类 英语情景对话-餐厅

As a polyp grows, it puts up a wall of limestone around itself. And then it multiplies. Each polyp can produce thousands of offspring, which all work together to build a living fortress-- a coral reef. After just a few years, a single piece of coral

发表于:2019-01-22 / 阅读(260) / 评论(0) 分类 自然百科2011年

BBC Learning English People and places Students at Fort Hare Presenter:Hello, I'm Dima, and today we're travelling to South Africa to find out what young people there think about the state of democracy in their country. We're joining Lisa and Pumale

发表于:2019-01-26 / 阅读(542) / 评论(0) 分类 人与地方

First division in the polyp group, the class Spongiaria has been created by scientists precisely for this unusual exhibit whose usefulness is beyond dispute. 海绵纲是水熄类的第一纲,这一纲就是由这种非常有用处的新奇产物组成

发表于:2019-01-27 / 阅读(349) / 评论(0) 分类 《海底两万里》中英双语有声读物

Heart Patients More Likely to Take Medication When in Single Pill 心脏病人更倾向于服用单一药物 WASHINGTON Many patients who have heart disease or who have suffered a stroke dont take their medications as regularly as prescribed. One stu

发表于:2019-02-01 / 阅读(262) / 评论(0) 分类 VOA常速英语2013年(九月)

Once upon a time two peasants attempted to pass each other,and their sledges became entangled One cried,Get out of my way;I must get to the town as quickly as possible;and the other said,You get out of my way;I must get home as quickly as

发表于:2019-02-05 / 阅读(256) / 评论(0) 分类 趣味英语

Adrienne: So, Rob, tell me why you don't like elephants! Rob: Why don't I like elephants? It's a long story. I was traveling in India with a friend of mine and one night we decided to spent the night in a national park, looking at wildlife, and we we

发表于:2019-02-06 / 阅读(284) / 评论(0) 分类 原版英语对话1000个

This is where the school run starts for six children from Papa Westray, their school is on another island, and to get there for this term only, they are taking to the skies. The day begins at Papa Westray's airstrip, and once theyve taken off, there

发表于:2019-02-06 / 阅读(226) / 评论(0) 分类 英语杂谈
学英语单词
a bidden guest
a meta - analysis
a-twin
airspace reservation
algebra of fraction
angle of phase lag
angle spatula
antennular stylocerite
arnwine
arrises
Barkker sequence
bituberculate
bung of setters
cache-pot
CIRM
cis-diamminedichloroplatin
Clevland tester
coefficient of weight on front wheel
comparison method of calibration
compensating network
croakiness
crozets
CTAS
de Broglie
deaerator pressure control valve
Debre-Fibiger's syndrome
desialylating
device list
double tongue grafting
doubling dosage
dusty grey
eclipse effect
efferent artery
erlianite
flexure-flow fold
full-locked coil construction rope
globefishes
gummy sand
hararghe
hasazi
heptamycin
hericide
holdoffs
I' Huilier's equation
improved conventional munitions
industry standard plotting package
irrotational
isomeric catalysis
Izod impact value
Khemmarat
KMBA
Kotigaon
kw-
L cell
Leptomitus
liquid crystal high polymer
little bird told me
longitudinal bar spacing
low-profile layout
lucios
MEDEVACT
metropolitaneously
modification of instruction
natural color television
ncsl
new town plan
nonresonant reaction
numeri
Nusa Tenggara Timur, Propinsi
nylon sleeve
obeisaunce
ophiopogonoligosaccharide
out-wall
outbowing
par rate of exchange
partially consistent observations
pericentriolar body
Pleuronantilus
post-internet
priority job
Raymond B. Cattell
Roegneria glaberrima
ruled OK
S.P.Q.R.
Saussurea porphyroleuca
sciuromorphas
severalfold
shrine-goer
skidmore
skippy
stability booklet
sugarhills
tadmor
templated
the world
thin
timber dapper
Tongsan-ri
vandamme
Viden
voltagerange multiplier
water-soluble ointment base