杀菌值

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(六)月

LULU GARCIA-NAVARRO, HOST: It's summertime. And if you have a young kid, chances are they're covered in a film of sweat and dirt. It can be kind of gross. We went to New York Avenue Park in Washington, D.C., and asked parents how comfortable they are

发表于:2019-01-16 / 阅读(81) / 评论(0) 分类 2017年NPR美国国家公共电台7月

They dive in, feet first, tasting food with sensors on their feet. Once they've selected a mouthful, they'd salivate over it, eat it, then regurgitate it to break down any chance. They then suck up the foul soup they've made with their spongy mouth p

发表于:2019-01-22 / 阅读(82) / 评论(0) 分类 自然百科2013年

Juanita: Hey, where have you been? I was going to invite you to lunch, but you werent at your desk. Bill: I was at a training. Juanita: What was it on? Bill: Office hygiene. Juanita: Hygiene? Youre kidding. Your office is pretty messy but I wouldnt s

发表于:2019-02-11 / 阅读(84) / 评论(0) 分类 地道美语播客
学英语单词
ancient landform
anthemane
antisynchronism
ask the dust
bulging fontanel in infant
buzz group
carbon fiber brush
chancellorsvilles
charcoal dust
checkout gear
cholochrome
chrysose
closed porosity
code figure
color up
company directors
cotrustee
couldn't organize a piss-up in a brewery
crazy
depth zone
dirtmen
dismantle of
downclocks
drive pinion cone bearing cup
drivellings
e-tail
eddy current testing
efficiency of regeneration
english grip
ergasiology
euwe
factor factor relationship
forced lubricating pump
forword position
furskins
Garawal
glimmerous
glycylaminopeptidase
groundstaffs
hews
hippuritic facies
hydroxyestrone
Hypolactasia
inchoate right
invalid vector specification
knocking bill
kosal
lichenizing
line hard ware
loan repayments and interest
long-dated
malus transitoria (batal.) schneid.
Marsdenia koi
mold process
motion weighing
nonlinear deconvolution
nonvirilized
normal grammar
oil-to-air lube cooler
optical data-link (odl)
os capitatums
pass book custodian certificate
pazy
pencilers
photo-instrumentation
photobotany
photosensitive marking
piaroas
Pleione saxicola
policy entrepreneur
polynomial series
primary cortex
publishability
quadrax
quantum-mechanical circuit
rannou
repugnable
reticulum cell sarcoma
rnormelj
roentgen-kymography
saddle-node bifurcation
scalar photon
service sequence
single parity check code
skew Hermitian bilinear form matrix
spring lay
sprinted
sprocket shaft bearing
standard gauges
stibospora chamacyperidis sawada
temperature-change epitaxy
terrences
the ball is in sb's court
tied arch
topped crude
transmit beamforming
triggerable
umbrella type antenna
uncrimped
upside-down cake
vat bordeaux
wedown