【化学】甲基橙[亦称作 gold orange, helianthine B, orange lll, tropaeolin D, tropeolin D.,参较 methyl red]

The prowler strikes again! Jessie exclaimed as she jumped into the pool and grabbed one orange after another, which she placed on the edge of the pool. Benny, holding his nose, waded into the shallow end. He reached out and tried to catch an orange,

发表于:2018-12-06 / 阅读(72) / 评论(0) 分类 23 The Old Motel Mystery

The next morning the sun shone brightly, but there was a nice breeze. It was a good day to help Kay, Jessie thought. The plumber had brought the missing part the evening before, and now the water was turned on. A painter went by the window. All was g

发表于:2018-12-06 / 阅读(70) / 评论(0) 分类 23 The Old Motel Mystery

Module 1 [00:58.38]Using my five senses [01:02.82]unit 1 Use your eyes! [01:07.87]Look and read [01:11.42]The sun rises behind the mountain in the morning. [01:17.58]The block's shadow is long.It is behind the block. [01:26.05]The sun is hight in the

发表于:2018-12-13 / 阅读(187) / 评论(0) 分类 沪教版牛津小学英语五年级

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(53) / 评论(0) 分类 2016年VOA慢速英语(十)月

今天我们要讲的美国习惯用语是:apples and oranges。Apple 是苹果, orange是桔子。Apples and oranges这个习惯用语的意思是:两个非常不同的事物,无法相比。比如说,有的人认为男人比女人更聪明。

发表于:2018-12-16 / 阅读(99) / 评论(0) 分类 美国习惯用语

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(56) / 评论(0) 分类 初学者听力文摘精选

[00:00.00]Unit 4 Food [00:06.79]Expansion 4 [00:12.67]3 [00:14.88]Rob and Sally [00:16.54]While I'm out,I want you both to help me to [00:19.74]get things ready for father's birthday party. [00:23.24]1.make a cake [00:25.21]Buy the following things:m

发表于:2018-12-29 / 阅读(307) / 评论(0) 分类 北师大版初中英语七年级上

[00:00.00]Unit 4 Food [00:07.70]Lesson 14 [00:12.74]Exercise 1.1 [00:15.23]So Lisa.Here the recipe for spaghetti. [00:18.83]Do we have everything?Let's check. [00:21.62]Ok. [00:23.23]First ,onions.How many onions are there? [00:26.82]There are a lot

发表于:2018-12-29 / 阅读(225) / 评论(0) 分类 北师大版初中英语七年级上

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(131) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(98) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(137) / 评论(0) 分类 农业与发展

Oranges and lemons, Say the bells of St. Clement's You owe me five farthings, Say the bells of St. Martin's When will you pay me? Say the bells of Old Bailey. When I grow rich, Say the bells of Shoreditch. When will that be? Say the bells of Stepney

发表于:2019-01-09 / 阅读(388) / 评论(0) 分类 鹅妈妈童谣

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(106) / 评论(0) 分类 VOA2003(下)-环境与健康

AUDIE CORNISH, HOST: Every once in a while here at the show, we read about something that makes us go, what? ARI SHAPIRO, HOST: Like eating an orange in the shower. We read about this in VICE. CORNISH: Now, apparently this is a thing. It has its own

发表于:2019-01-16 / 阅读(88) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(135) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(85) / 评论(0) 分类 VOA常速英语2013年(十月)

She walked into their apartment. Her nose crinkled. She asked, What's that smell? He said, They were giving these away on the street. They're promoting a new air freshener. She said, Air freshener? It doesn't smell like fresh air in here. It smells l

发表于:2019-02-15 / 阅读(58) / 评论(0) 分类 英文短篇故事(纽约)

He peeled the orange. He separated all the sections. He put them on a plate. He took them to his wife. She took a bite. This orange is no good, she said. There's no juice! Where's the juice? He said, Well, not all oranges are juicy, honey. Oranges ar

发表于:2019-02-15 / 阅读(62) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
ACC (accessories)
activated bleaching earth
actuating mechanism
alerce
alterniflora
amed
antique finish
ARCSE
attitude and heading reference system (ahrs)
avoirdupois ounce
barley wire worm
Binnen
bitter docks
burn-up factor
career goal
chemical waterproofing
chew off
cockhorses
coffman
coinquirer
collateral ligaments of joint of fingers
complementary bipolar ic
continuous tunnel furnace
controlled postmortem programme
crude rate
cusp-fossa relations
cycle billing method
de-fund
dimethyldichlorosilanes
Draba sibirica
drumstick-fingers
encryption scheme
eventualising
Faustian
flyer's fatigue
frame output transformer
freshest
fuckfests
Fufen
full of yourself
funfests
fyvel
Gardiografin
glampires
go far enough
high power led
high speed welding
host assembler
hydraulic calcium silicate
integrated data presentation
inter-marriages
JACS
jonathan trumbulls
kilo-
lacquer stripping method
lepidobatrachus laevis
loose-stone
low-light-level slow scan TV camera
mahaila
mandefro
microbarographic
minimum proteins
moisture regain
monoubiquitin
musk oxen
natural screen
Ngwempisi
non-interventions
nonindurated
nonstudious
oneirologists
OTECs
oxyuricides
Pars medialis
partial cash
pitch changing system
pneumatoscob
quadrireme
quadrupole quantization
rajah
relative fluidity of slip
rosenstiel
Satau
sensitive phosphor
software memory mapping
ST_media-and-publishing_broadcasting-organizations
sterile distribution
substantivity ratio
sulfoglycoprotein
synka-vit
tidal information panel
tied double changeover design
timeboxing
transeptae
tussock bellflower
two letter signal code
unexcusable
unselects
virtual memory address
vomative
warm language
wilderstein