斑鬣狗

斑点鬣狗会咕哝咕哝叫,会吼叫,可是你知道吗?它们最有名的是笑声,是的,咯咯的笑声。 科学家发现,这种动物会用笑声作为语言来交流诸如年龄、身份和地位等信息,这样,就知道把猎

发表于:2019-01-02 / 阅读(77) / 评论(0) 分类 60秒科学

Spotted hyenas grunt and growl. But you know what they're famous for. So what's all the laughing about? Well, field researchers have noticed that groups of hyenas tend to giggle around a kill, while they're waiting for their hunk of meat. Now a study

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 Scientific American(四)月

Is Cheetah Fast Enough to Survive?

发表于:2019-01-12 / 阅读(107) / 评论(0) 分类 2014年VOA慢速英语(十)月

If you grew up with a brother or sister, you probably know what sibling rivalry is like. For a spotted hyena though, sibling rivalry is a matter of life and death. Spotted hyena mothers usually have twins. They give birth in a private burrow where th

发表于:2019-02-05 / 阅读(38) / 评论(0) 分类 英语时差8,16

Let me tell you about Mahabuba. 我要告诉你们马哈布巴的故事。 She lives in Ethiopia. 她住在埃塞俄比亚。 She was married against her will at age 13. 她13岁时被迫结婚。 She got pregnant, ran to the bush to have the baby, 她

发表于:2019-02-13 / 阅读(52) / 评论(0) 分类 TED演讲教育篇

A Hyenas Sibling Rivalry 鬣狗,学名Hyaenidae,哺乳动物,是体型中等、生活在非洲、阿拉伯半岛、亚洲和印度次大陆的陆生肉食性动物。它们同属于一科:鬣狗科。外形略像狗,头比狗的头短而圆,

发表于:2019-03-09 / 阅读(188) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-tressed
A bands
ablisms
action of ejecting
acute febrile neutrophilic dermatosis
adenanthrea microsperma l.
adenomyo-epithelioma
airgun bubble pulse
Alluaudia
anterior paraventricular nuclei
anton van leuwenhoeks
axillary sweat glands
azimuth angle coupling unit
baltic ice clause
bedyes
befoulments
binary-weighted error-detection system
Bursae subtendineae musculi sartorii
Clarke River
concordancers
contact wear allowance
converse digraph
cowheard
cust cloud
Demerara-Mahaica Reg.
difformities
dry-aged
etherphone
ethics panel
excambing
external die
ezras
ferrohemoglobin
file hardness
fire indicator
form record field
front travel
fuelwood
get some rest
haemophthalmitis
hook-noses
intercohort
Ixiolirion
Kenya, Mount
kfa
kook cord
land-based sources of ocean pollution
laundrywoman
Liberiictis
lime-mica-schist
manipulator rack
Mare Frigoris
moisture seal
Nanjing Mariner School
occupational values inventory
odan-eki
oleographer
orbital rendezvous and docking
out-townships
partial differential equation of first order
partial feedback
peripolesis
pleiomerous
ploddings
poches
Poirino
post-canonical system
Prescott, William Hickling
Puttable Common Stock
quickmunch
rahmani
rapidly available phosphorus
Rayleigh-Taylor instability
reactor nuclear fusion
real english
regolate
Rescue Co-ordination Centre
rubiesite
scannell
Sebesi, Pulau
sewali
sex parties
sfsastshsesrs-s
Shihor-Libnath
should'st
six-cylinders
speed limiter
springbrook
stutzite
system of vectors of reference
tactile sensing device of robot
the Lincoln Center for the Performing Arts
thread rolling flat dies
thumbikin
tidal electric power station
time bearing display
tread cushioning layer
two-photon annihilation
uncle tommed
world scale
worm brake cone