音标:[bæktiәriә'klɔ(:)rәfil] ;
n. [生化]细菌叶绿素
n a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants
词型变化:名词复数形式 : bacteriochlorophylls

SCIENCE IN THE NEWS - Reforms at NIH / Tobacco Smoke a Danger to Children / A New Way to Add Iron to the Diet By Cynthia Kirk and Jill Moss Broadcast: Tuesday, February 15, 2005 VOICE ONE: This is SCI

发表于:2018-12-07 / 阅读(388) / 评论(0) 分类 科技之光

This is the VOA Special English Development Report. World No Tobacco Day is celebrated each thirty-first of May. The observance is meant to bring attention to the growing use of tobacco and its deadly effects. The World Health Assembly established th

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By Mike O'Sullivan Los Angeles 27 March 2006 A museum in Los Angeles is bringing to life the people who lived in northern Europe thousands of years ago. Well-preserved bodies and artifacts from fog-sh

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Oh, no! Denzel thought. Whered THAT come from? He was looking at a big red dry stain that was on the carport where he always parked his car. There was only one thing to do: check his power steering fluid and his transmission fluid, both of which were

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Welcome to THIS IS AMERICA in VOA Special English. Im Doug Johnson. VOICE TWO: And Im Barbara Klein. This week on our program, we take you to the summer movies. This year's crop includes vampires, talking toys, an Iron Man and, of course, love. (MUSI

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By Scott Bobb Johannesburg 27 March 2008 As Zimbabweans prepare to go to the polls Saturday, pre-election activity is being closely watched by an estimated 3 million Zimbabweans living in neighboring South Africa. Although they cannot vote, these exi

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Autumn Leaves Show Their True Colors As days grow shorter and nights grow cooler in Boulder, Colorado, the green leaves of summer have been putting on party colors. On cottonwood trees and aspens, theyre golden yellow coins. On Mapleton Avenue, the m

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RACHEL MARTIN, HOST: And now some words you don't often hear together - all-girl, teenage, Indonesian metal band. NPR's Ashley Westerman has this profile. ASHLEY WESTERMAN, BYLINE: The band's called Voice of Baceprot. Baceprot means noisy in the girl

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AUDIE CORNISH, HOST: Need a distraction from the news? ARI SHAPIRO, HOST: We have one. CORNISH: It's a reminder of the good things in life that are free. SHAPIRO: Another commercial for Nicer Living. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED MAN

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Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 In the last fifteen years, farmers

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发表于:2019-02-07 / 阅读(396) / 评论(0) 分类 英语新闻

RIO DE JANEIRO, Dec. 7 (Xinhua) -- The son of former Brazil great Romario has signed his first professional contract with Brazilian third-tier side Brasiliense. Romarinho, 19, joined the Brasilia-based outfit on Thursday, less than 24 hours after qui

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Because chlorophyll is the chemical responsible for making leaves green, its absence allows chemicals such as carotinoids, xanthophylls, and others to give leaves their orange, yellow, and various other colors. As trees stop producing chlorophyll, th

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学英语单词
a whirl of social engagements
absterses
adult educations
AES
antielitism
automated stimulus control system
B lymphocyte tolerance
Ban Nong Tim
bewicks
bill of parcels
bill rate
birnbaum-tingey dis-tribution
Bizonia
bond valence
cash flow
causal links
center frequency
centre frame
certainty algorithm
CHDS
controller interrupt logic
copaiva
cross tabs
danowski
DAS (direct access storage)
default implementation
delopes
dimension change
disambiguition
divergent line
doddery
dry cleaners
Drymary
elephants
encephalic vertigo
encomiendas
ethno-nationalism
Evoron, Ozero
exabytes
float plate assembly
framestone
Franciscópolis
gypsum type
gyrophototaxis
half round bar
harwich port
health on the net
hydraulic shear aerator
installs
integral calculus
interorbital cartilage
intuitions
Karnaprayāg
keep a sharp lookout for
kemelins
limit of oscillation
low resistance transmitter
market price
mentally incompetent
methylleucine
Montemesola
mosaic logic
nitrogenous manure
NOT system
ordered queue
outpol
over liming
peripheral node
pet-owner
pheoehromocytoma
physaliferous-celled cancer
pickaninnies
plough-boy
pseudouremia
pyrrolizidine alkaloid
QLISP
quantum chromodynamics
ras tafaris
reduction welding
rensch
run down tank
savings and loans associations (s&ls)
setacyl direct violet
shushers
single-parameter control
small tongue
South Melbourne
square toe
Stenseo's plexus
strip croppings
suborder Ruminantia
swing reactor
swyvings
telecommunications planning committee
then-what
Thymoglobuline-Sangstat
Tianjin Ocean Shipping Company
tryptic bate
tubular column
unjointing
unneeding
vena glutaea inferior