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Volunteers Keep Hands-On Science Alive in US Classrooms When it comes to making science fun, Lisa Purcell is a pro. Mimicking an owl or a foraging squirrel is all in a day's work for the director of the Four Winds Nature Institute. On this particular

发表于:2018-12-16 / 阅读(346) / 评论(0) 分类 VOA标准英语2011年(五月)

1.有趣的漫画 What will this small seed grow into? 这颗小种子长大会变成什么? It will grow into a big tree. 它会长成一棵大树。 What will these small tadpoles into? 这些小蝌蚪长大会变成什么? They will grow into

发表于:2018-12-31 / 阅读(369) / 评论(0) 分类 Sight Word Kids 幼儿英语常见字5A

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Blackjack, slot machines, good ol Texas holdem. People love to gamble. And were not the only ones. A new study shows that pigeons will also pass up a sure

发表于:2019-01-08 / 阅读(397) / 评论(0) 分类 Scientific American(十)月

Next time you get your debit card out, you might want to use it to buy some hand wash. A study has found that nearly one in 10 bank cards contains faecal matter. Cash is little better with one in seven bank notes containing high levels of bacteria si

发表于:2019-01-08 / 阅读(321) / 评论(0) 分类 英美文化

LULU GARCIA-NAVARRO, HOST: In central Montana, drones are dropping peanut butter pellets on prairie dog colonies. As Yellowstone Public Radio's Nate Hegyi explains, it's part of an effort by biologists to save North America's most endangered mammal.

发表于:2019-01-16 / 阅读(401) / 评论(0) 分类 2017年NPR美国国家公共电台12月

They found Star by chance, just in time. These animal welfare officers in Malta had been dealing with a separate case of an abandoned dog when they heard whimpering under the ground. They followed the noise, saw the tip of Star's nose and started dig

发表于:2019-02-04 / 阅读(300) / 评论(0) 分类 英伦广角
学英语单词
?-proteobacterium
abacarus similisagitta
aberration of intellect
agar disk method
Alarobia-Befeta
alboretoes
Altanbulag
amorose
aquatic pollution
beginning of message
Berenices
bureaucracy theory
c-fra
calf's-foot
camphoronic acid
catamnesis
chemical-milled structure
chemically modified
Chlorcinnazine
Cirkvice
closely-knit
coloniality
communication bus translator
control rod block actuation
corner lamp
cost per bit
courtesy name
critical theory
deep submergence capability
dextroform
diazotised
diocaine
display horizon
ecological environment monitoring by satellite
english folk dances
entrance to mastoid antrum
evident
fixed overhead price variance
flavourings
Fua-med
gamophyte
Gentiana otophora
Hartenholm
have the end upon
helosis
hug
Ikva
ilastical
indication and contraindication of acupuncture
inlocate
isoamyl isobutyrate
isotopically enriched ion
kicking shuttlecock
Kinetal lens
kingston pk.
Kizil'skoye
Kumazawa Banzan
learning capacity
Like tree, like fruit.
LownGanong-Levine syndrome
lt-sem
macrosporic
make one turn in one's grave
Malevich
martinoes
metiss
micro-capillary pipette
misleen
muliery
multimedia performance
Najas foveolata
Nakusp
Nister
Nitrosocytis coccoides
nonpaginated
oculodentodigital
oppoes
organic compounds fuel cell
oxygen removal by combustion
Paradoxide
piece-lace
plain-grinder
port level
post column
post-development
prunus persica batsch var.alba schneid.
Rolsted
satellits's ground path
shunt coil
sizeably
state open meeting laws
Taurophobie
tenonectomies
thrive
timpanist
title overlay
TROPICAID
turistas
unrestrained beam
vasser
wastes of energy
weight distribution