柯林斯词典等级:1 级;
[医] 核糖核酸
n (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell
词型变化:名词复数形式 : rnas
词性分布:
名词100%

RNA的用法和样例:

例句

  1. Any of a group of red dyes used as a biological stain, especially to detect the presence of RNA.焦宁; 二苯氧芑胶染料用作生物染色剂的一组红色染料中的任一种,尤指用来探测核糖核酸的存在
【近义词】

By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where

发表于:2019-01-06 / 阅读(511) / 评论(0) 分类 2006年VOA标准英语(八月)

Australia's Muslim leaders have opened their mosques and schools to house Roman Catholic pilgrims for World Youth Day as part of efforts to ease interfaith tensions. The Australian Federation of Islamic Councils is also planning mixed-faith sporting

发表于:2019-01-13 / 阅读(397) / 评论(0) 分类 VOA标准英语2008年(七月)

U.S. Defense Secretary Robert Gates visited Western Iraq Wednesday, the place where U.S. troops and local tribal leaders began an effort four years ago that helped turn the tide of the Iraq war. Gates stopped in al-Anbar Province on his way to Baghda

发表于:2019-01-14 / 阅读(368) / 评论(0) 分类 VOA标准英语2010年(九)月

ARI SHAPIRO, HOST: A little boy takes his parents to court in the new film Capernaum. In Lebanon, that title means chaos, and critic Bob Mondello says that's an accurate description of the world the boy lives in. BOB MONDELLO, BYLINE: Zain is skinny,

发表于:2019-01-17 / 阅读(420) / 评论(0) 分类 2018年NPR美国国家公共电台12月

In 'Capernaum,' The Chaos Of Lebanon From A Homeless Child's Perspective LULU GARCIA-NAVARRO, HOST: OK. This is the time of year when film critics announce their best of lists. Among the Hollywood titles, there is one film from the Middle East that r

发表于:2019-01-17 / 阅读(395) / 评论(0) 分类 2018年NPR美国国家公共电台12月

Beginners. In this part of the world, we need to heat our house for three quarters of the year: Winter, Spring, and Fall. Of course, now is the time of year when the freezing temperatures outside make us turn up the heat inside. It is so nice to get

发表于:2019-01-28 / 阅读(376) / 评论(0) 分类 英语博客 A cup of English

Greece has condemned an attack carried out by a Libyan warplane on a Greek-operated oil tanker chartered by Libya's national oil company, saying it had contacted the U-N envoy for Libya and the E-U about the incident. The attack took place on Monday

发表于:2019-02-18 / 阅读(420) / 评论(0) 分类 cctv9英语新闻2015年
学英语单词
adenoids
Alangalang, Tg.
alwil
anchorperson
Andreyevo
assertability
associated dummy and actual argument
atonies
autocarpous
barisals
Big Bass Drum
board of control
cathode-ray spot
compression roll
cover-keys
Creed receiving perforatos
cylinder hay loader
decends
deduceth
denaturing polyacrylamide gel
Diazasterol
dines off
dish seeder
disorderedness
doctors of musical arts
East Kālihāta
endogenous thallus
engine warm-up
environmental objectives
filler pipe
fishabler
Gapyeong
gelatin dry plate
get to grips with
grunebaum
harumphed
Hero engines
high level language application program interface
implied passing off
japanese plow with short sole
jras
jumping pass
koreny
Littre
longitudinal divergence
lovenia
low cardiac output syndrome
made against
Masachapa, Pta.
Mokchil-li
monochromacy
monocyst
Morgan's Hill
mould in a snap flask
Ménéac
natural gas purification
New Castle County
number emulsification
ofold
over-the-shoulder bombing
ozette
parcel out something
pfpma
physical device table
plicae caecalis
praie
processor transfer time
pull-out piece spring screw
pulley weights
remedy a defect
reserve transmitter
roast potato
sage plains
scientific achievements
shared index data base
single-hander
slam-dunker
slide knob
star plate
straight line body
susceptibility to teratogenic agent
take back something
take-home pay
Tangail District
Tantum ergo
Tel'mansk
tenderised
test ammunition
thermostable opsonin tests
to bear the course
torpor retinae
tow-to-top conversion
tsion
tsumcorite
Turpinia pomifera
two-base hit
underdrained settling basin
USSR
Valle Hermosa
vane setting angle
yaw heel
Zuism