音标:['lektin] ;
n. [医]外源凝集素,植物(种子)血凝素
n any of several plant glycoproteins that act like specific antibodies but are not antibodies in that they are not evoked by an antigenic stimulus
词型变化:名词复数形式 : lectins

THE MAKING OF A NATION - July 18, 2002: Election of 1948 By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) Presidential elections are exc

发表于:2018-11-27 / 阅读(480) / 评论(0) 分类 The Making of a Nation

BBC Learning English 6 Minute English Football Stickers NB: This is not a word for word transcript. Kate: Hello and welcome to 6 Minute English, I'm Kate and joining me today is Rosie! Rosie: Hello Kate. Kate: Hi Rosie. Today we're going to talk abou

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THE MAKING OF A NATION -December 12, 2002: Election of 1980 By Jerilyn Watson (THEME) VOICE ONE: This is Rich Kleinfeldt. VOICE TWO: And this is Doug Johnson with THE MAKING OF A NATION, a VOA Special

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THE MAKING OF A NATION - November 28, 2002: Election of 1976 By Jerilyn Watson VOICE ONE: This is Rich Kleinfeldt. VOICE TWO: And this is Richard Rael with THE MAKING OF A NATION, a VOA Special Englis

发表于:2018-12-01 / 阅读(184) / 评论(0) 分类 The Making of a Nation

THE MAKING OF A NATION - October 24, 2002: Election of 1968 By Jeri Watson VOICE 1: This is Stan Busby. VOICE 2: And this is Rich Kleinfeldt with THE MAKING OF A NATION, a VOA Special English program

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THE MAKING OF A NATION -September 5, 2002: Election of 1960 By Jeri Watson VOICE 1: This is Richard Rael. VOICE 2: And this is Doug Johnson with THE MAKING OF A NATION, a VOA Special English program a

发表于:2018-12-01 / 阅读(174) / 评论(0) 分类 The Making of a Nation

Presidential candidates in Ghana wrapped-up their campaigning Friday ahead of Sunday's run-off election to succeed out-going President John Kufuor. Ghana's opposition party candidate John Atta Mills (l) and Ruling party presidential candidate Nana A

发表于:2018-12-08 / 阅读(158) / 评论(0) 分类 VOA标准英语2008年(十二月)

A: Are you going to vote? B: Yes, are you? A: Yeah, but what day are the elections? B: You dont know what day the elections are? A: Thats why Im asking you. B: Theyre this coming Tuesday. A: Really? B: Yes, Im serious. A: Good thing you told me. B: I

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THE MAKING OF A NATION - January 10, 2002: Election of 1928 By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) The presidential election o

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This is the VOA Special English Agriculture Report. The parasites can spread from chicken to chicken through infectious droppings The chicken industry loses billions of dollars worldwide because of a disease called coccidiosis. Coccidiosis is caused

发表于:2019-01-11 / 阅读(166) / 评论(0) 分类 VOA慢速英语2007年(二)月

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发表于:2019-01-15 / 阅读(144) / 评论(0) 分类 英语情景对话-选举

A: Will you be voting? B: I will. Will you be voting? A: Well, when is the election? B: You dont know that? A: I just dont know. B: Its this Tuesday. A: You cant be serious. B: Why would I joke? A: Thanks for telling me. B: You shouldve known already

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The weak economy in the United States has made it tough for many people to find work. The Starbucks coffee company, based in Seattle, Washington, is trying to promote job growth through its new Create Jobs for USA program. This month, the company beg

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Thailands early election results indicate the opposition Pheu Thai party led by Yingluck Shinawatra, and backed by her brother, former prime minister Thaksin Shinawatra, has won a majority. Pheu Thai defeated the ruling Democrats of Prime Minister Ab

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LONDON, July 4 (Xinhua) -- The volunteers' queue for uniform collection is a long one, winding all the way round the industrial warehouse in Canning Town, an area in which 68% of locals are of a non-white ethnic background. Numbered tickets are issue

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Leave time behind The old monk often took the young monk to the hill outside the temple to recite the lection. One day the young monk said to the old monk, How slowly the time goes! The old monk said, You can have a try like this---in the morning sit

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学英语单词
abounding in
abu-laban
abysmal rock
adhering root
aerodynamic entry
analysis-based
arcsecs
Arrabidaea
ascending fan system
aviation economics
band qir
basalt-agglomerate tuff
beur
bioconvertion
bridelope
building-out section
button-sewing machine
california-style
Canyon Ra.
carbene
centroids
ceramic thin film
cerebroglycan
clockmakers
collonista glareosa
communication status word
configuration services
contractual dividend
CPU time
cyrtophora unicolor
dangerous substance
decapitalise
derating
double alternate set saw
dwight david eisenhowers
Eke Crater
elasticity number 1
electronic ray
elongating subcrown internode
equilibalance
exhaust point
flatten in
fried prawns slices
FTFA
genthite
glass bricks
gloss meter
guildhall
have it in one
heat crack
highway ferry station
homebirth
hydrodistensions
isotopic flux
Kalaena, Sungai
king spoke
Kissling test
kithly
la fleche
la ni?a
Lord willing and the creek don't rise
Macaria
mogadan
Moirans
monopolers
multiatage axial flow compressor
Musculi membri inferioris
neodymium hexaantipyrine perchlorate
nodularizing treatment of graphite
non-activated stock
oestrodienolum
orbital rendezvous dynamics
photographic indicator
pilot-operated type valve
pneumatic tube clutch
puboscrotal testis
quarry bay
rantree
Rhynchosia rufescens
sarcoma of pharynx
scodgy
ship repairer's liability
SIG
snap tool
subscript range
super-intelligent
superficial epidermal crests
tang chisel
teers
the coupling
Treitz
trial tapping
true friend
type abs
ultrafastidious
unsurmountable
uredo cissi
vibration gage
Victoria Island
wretchdom
wrong crowd
yusofs