音标:[ri'zɔ:sinɔl'fθæli:in,-nәjl-] ;
n. [化] 荧光素,荧光黄
n a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
词型变化:名词复数形式 : resorcinolphthaleins
【近义词】

Jane is great at taking care of everyone in her life. She has even assisted 27 friends in planning their weddings. Now, she is busy helping her sister put together a dream wedding. There is just one problem: Jane is in love with her sister's fiance1,

发表于:2018-11-30 / 阅读(104) / 评论(0) 分类 常春藤生活英语

ork Pressure Work pressure refers to the compelling force or influence that comes from one's work. Nowadays with the competition in the work field becoming more and more fierce (激烈), work pressure has become a serious problem for every person. It

发表于:2018-12-12 / 阅读(91) / 评论(0) 分类 英语四级作文范文

Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world

发表于:2018-12-16 / 阅读(99) / 评论(0) 分类 VOA标准英语2011年(九月)

Todd: So, Rina, now you are Lebanese (Mm-hm) and you grew up in a very small Canadian town. Rina: Oh, yes. Todd: So you really have two cultures. What's it like growing up with two cultures? Rina: In the beginning it was very hard. My dad was very st

发表于:2018-12-25 / 阅读(44) / 评论(0) 分类 原版英语对话1000个

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:2018-12-30 / 阅读(115) / 评论(0) 分类 单词解析速记

By Nancy Steinbach Broadcast: March 13, 2005 ((THEME)) ANNCR: Welcome to PEOPLE IN AMERICA, a program in VOA Special English. Today Rich Kleinfeldt and Steve Ember tell about one of Americas most popular singers, Elvis Presley. (MUSIC) VOICE ONE: Tha

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 名人轶事

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(85) / 评论(0) 分类 白领美丽英文诵典365

Frequent hand-washing in my job as a medical technologist and the harsh Alaskan weather combined to give me very dry skin. One night as I prepared for bed, I rubbed my hands with petroleum jelly and c

发表于:2019-01-03 / 阅读(77) / 评论(0) 分类 英汉幽默故事选读

THE MAKING OF A NATION - January 24, 2002: Great Depression By David Jarmul VOICE ONE: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (THEME) The stock market crash of

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A young doctor was just setting up his first office when his secretary told him there was a man to see him. The doctor wanted to make a good first impression by having the man think he was successful and very busy. He told his secretary to show the m

发表于:2019-01-07 / 阅读(89) / 评论(0) 分类 趣味英语

My husband and I are both writers. During dinner conversations, we often tell our children about our working days. It wasn't clear how much they absorbed until one day I overheard my seven-year- old, Lucy, cry out in frustration at her five-year-old

发表于:2019-01-07 / 阅读(92) / 评论(0) 分类 趣味英语

44 圣·约翰草并不能有效治疗情绪低落 DATE=5-3-01 TITLE=SCIENCE REPORT- Saint John's Wort and Depression BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 科技之光

UN Security Council Urges Somalis to Resolve Political Crisis The U.N. Security Council expressed its grave concern Wednesday at the continued instability in Somalia, which it says has led to a multitude of problems, including terrorism, piracy and a

发表于:2019-01-14 / 阅读(97) / 评论(0) 分类 VOA标准英语2011年(五月)

US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N

发表于:2019-01-14 / 阅读(88) / 评论(0) 分类 VOA标准英语2011年(八月)

Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da

发表于:2019-01-25 / 阅读(158) / 评论(0) 分类 词汇大师(Wordmaster)

Frequent hand-washing in my job as a medical technologist and the harsh Alaskan weather combined to give me very dry skin. One night as I prepared for bed, I rubbed my hands with petroleum jelly and covered them with a pair of old white gloves. As I

发表于:2019-02-04 / 阅读(89) / 评论(0) 分类 趣味英语

By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs

发表于:2019-02-04 / 阅读(145) / 评论(0) 分类 2006年VOA标准英语(五月)

今天我们要学的词是pressing。 Pressing, 紧迫的。芝加哥市的市长说, Crime fighting is the city's most pressing challenge, 击犯罪是芝加哥市最为紧迫的挑战。 The most pressing issue for the current administration is

发表于:2019-02-05 / 阅读(61) / 评论(0) 分类 英语每日一词

BEIJING, May 23 (Xinhua) -- The Ziyuan III satellite, launched on Jan. 9 to produce high-resolution imagery for civilian use, has sent back visual data covering 45.79 million square km of the globe as of May 18, according to an announcement on Wednes

发表于:2019-02-08 / 阅读(109) / 评论(0) 分类 英语新闻

BEIJING, June 12 (Xinhua) -- Pressure from trade frictions has continued to increase this year for Chinese enterprises, while further challenges are expected in the future, a commerce official said. Li Chenggang, head of the Department of Treaty and

发表于:2019-02-18 / 阅读(65) / 评论(0) 分类 英语新闻
学英语单词
Aliveri
ambient illumination
ammoperdix
Argives
as bright as a button
astrogeophysicist
auto manual system
autohaler
Avellanes
basic shaft
benumbing
bloodsera
butyl iodide
Chinese character dot matrix
cicatrizing enterocolitis
Client Application Services
closed shop system
community governance
COMPTU
contact bouncing
decumbence, decumbency
DQCM
e-gate
elander
electrometric titration
embonate
erbe
eugenol acetamide
eumyurium sinicum
F-4II
fence something off
fly wheel
galley-slave
giftedness
grain-boundary brittleness
high frequency relay
hu t'?ng wu
informatiks
injury of phrenic nerve
invaluable
isophenogamy
isophysostigmine
jeweller's bronze
kivirist
Knyazhpogostskiy Rayon
lacrimatory agent
Ladogisian
level number of component
liability clause
linear resistance flowmeter
mailbox
maximum short take-off and landing weight (msw)
Mcf,mcf
Media Access Control sublayer
metal matrix composite reinforcement preparation method
metes-and-bounds
Montaut-les-Créneaux
national judge
nautilicone
nevus corniculatus
nitobeia formosana
Nobelist
noncompete clauses
nonenrolment
not be in
Nothing to port!
o-chlorobenzyl alcohol
O-diazoacetylserine
off-the-scale
organon parenchymatosum
p-aminobenzene sulfonic acid (sulfanilic acid)
partial disturbed zero output signal
PEAP
Plastoceridae
Platberg
plototoxin
Processus trochlearis
raffet
recycling materials
Red Deer R.
reproducible wealth
shizu
singe one's feathers
south african low
sphaerotheciella sphaerocarpa(hook.)fleisch.
steady allocation method
steam blower
stickley
Stictidaceae
street drain
sulfur bichloride
temporary droop
turbo charger running defects
UG-FNPPD
unsurprisable
Urkey
Veslyana
vortex dew-point hygrometer
weight platform
whizbang shells
windbores
winter-kills