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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(111) / 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(118) / 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(132) / 评论(0) 分类 Scientific American(十)月

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(115) / 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(97) / 评论(0) 分类 英伦广角
学英语单词
active racemate
agricultural sulphur
alpinine
anticollision aid
arthrodesis of shoulder
banguoensis
biforked
blogs
cast light upon
circummuring
coincidence range finder
compacted conductor
conflict theory
consultas
continuous annealing oven
contubernian
dark cell of collecting tubule
Deba Fulani
dipper stick
dittoing
diversifications
dosage regimen
drag-net
egresses
energy-supply
face values
ferrel
first order diffraction beam
fixed block architecture format
fixed-focus mark
fullgate
furburger
generator gas
gerodontologist
habamontis
half-closed interval
holistic governance
Hommelvik
Iaai
incurriculum
Indian plum
indirect dry cooling system with surface condenser
industrial weighing machinery
Jikes
joong
kallymenia perforata
key attributes
Kholāpāra
Kyonghung-dong
lamda max test
lecithins
left ventricular depolarization vector
lift the curtain over
mean descending current
metropathia hemorrhagica
object of the legal relations of ownership
oil firing boiler
Ourinhos
out-red
outside the limits of
pentahydrate crude
pheniraminum
photoscanner
phytomining
pilot network
pole-core width
Rabdosia drogotschiensis
radioisotope submersible engine
Renningen
ring laser inertial sensor
road spike
rodhocetus
rotls
rounder-upper
saluti
samplable
Schiehallion series
sell-offs
single-phase synchronous motor
squarial
step chair
streptobiosamine
strip detector
student adviser
subsite
succulency
sunderban
swanepoel
switching code
synth pop
Tetragonolobus purpureus
the past perfect
theorem of polyhedron
throttling flow meter
tv producer
uncontemplatable
unlive
us cable
voltage selector
water transparency recorder
window on the world
world egg