[机] 苯硫基

Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find

发表于:2018-11-30 / 阅读(106) / 评论(0) 分类 生活英语情景口语

NOEL KING, HOST: There is a frightening new dimension to the opioid crisis. People who are using cocaine are overdosing, not on cocaine but on fentanyl. Fentanyl makes heroin even more dangerous, and now it's showing up in cocaine as well. And that c

发表于:2018-12-01 / 阅读(80) / 评论(0) 分类 2018年NPR美国国家公共电台3月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(八)月

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(65) / 评论(0) 分类 阅读空间

今天我们要学的词是 fentanyl. Fentanyl 芬太尼。U.S. President Trump said he would raise the issue of the flood of cheap and deadly fentanyl when he meets Chinese President Xi Jinping. 美国总统川普说,他见到中国国家主席习近

发表于:2019-02-16 / 阅读(83) / 评论(0) 分类 英语单词荟萃

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(47) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
achlya klebsiana
aelius donatuss
air lens
aircraft integrated logistics support
Allium funckiifolium
anchilops
anti-washington
antisymbolism
aqua-robot
auca mahuida
aureatest
block exit and return
caeconometry
callitrichid
cheese slicers
chlorine dosing room
coresponsibility levy
countess of Lovelace
crossed-core type
crow scarers
decascaler
doeis
dorsiflexion
eczemas
ejector pad
electroinjection
findom
first difference method
flight operation
fontanum
function generation technique
give ... a hand
gunnery jack
hardwork
Hoskins
houses of correction
hydrothermomagnetic wave
hypothalamic releasing hormone
inphase detector
island-style
Johnny Reb
judge-arbitrators
jump shots
lahmajouns
leeward tidal current
leptotrombidium yui
liberi non justi
lilium concolor salisb. var. busch-ianum baker
limit screw pitch gage
liquid to-liquid heat exchanger
lower atmosphere
mash kettle
mesoscapular
microstat
mock strawberries
Monteverdi
New Providence Island
non-normal equation
nonvocational
overflowingly
pantalon
parallelization
paulsens
pays off
pegasuss
potted coil
proffereth
protection maturity
putrescence
puttana
quadro
range compass
razins
reduce to rubble
repayment
satellites coupling
sayo
scythe
selenium monochloride
shattered rim
ship specification
sidecutter
Sisson
Sotiris
sound eliminator
spark ball
st-merri
subplans
theory of switching circuit
thermopalpation
three-element servo system
thuidium minutulum
torreyite
trigooa bypoglossi
ultrashort infrared pulse
underwound
unit step sequence
unpiecing
wheelhead set
woody odo(u)r
Woolhouse
Zeehan