时间:2018-12-30 作者:英语课 分类:托福听力短文


英语课
(woman) We've just seen two contemporary large birds that cannot fly: the emu and the ostrich 1. Over here is an interesting specimen 2 from the past. This stuffed animal is not the giant penguin 3 it appears to be, but an auk. This particular kind of auk is very rare --- only 78 skins are known to exist and most are not preserved as well as this one. The great auk, as you can see, was a rather large bird, and it couldn't fly either. However, evidence suggests that the auk was an excellent swimmer and diver. Unfortunately, those abilities did not protect it from being easy prey 4 for hungry sailors who yeas ago sailed the very cold and often icy waters of Greenland, Iceland, and Scotland. In fact, records indicate that the auk was rather tasty and that its eggs --- Excuse me... that its eggs and feathers were useful as well. Still, it isn't clear what other factors led to the big bird's demise 5 around 1844, the last time anyone reported seeing one. Of course, we believe it's important to take extra precautions to preserve the remaining great auk skins. After all, these specimens 6 should prove invaluable 7 for future scientific research. Does anyone have any questions before we move on to our next bird exhibit?


n.鸵鸟
  • Ostrich is the fastest animal on two legs.驼鸟是双腿跑得最快的动物。
  • The ostrich indeed inhabits continents.鸵鸟确实是生活在大陆上的。
n.样本,标本
  • You'll need tweezers to hold up the specimen.你要用镊子来夹这标本。
  • This specimen is richly variegated in colour.这件标本上有很多颜色。
n.企鹅
  • The penguin is a flightless bird.企鹅是一种不会飞的鸟。
  • He walked with an awkward gait like a penguin.他走路的步子难看得就像企鹅。
n.被掠食者,牺牲者,掠食;v.捕食,掠夺,折磨
  • Stronger animals prey on weaker ones.弱肉强食。
  • The lion was hunting for its prey.狮子在寻找猎物。
n.死亡;v.让渡,遗赠,转让
  • He praised the union's aims but predicted its early demise.他赞扬协会的目标,但预期这一协会很快会消亡。
  • The war brought about the industry's sudden demise.战争道致这个行业就这么突然垮了。
n.样品( specimen的名词复数 );范例;(化验的)抽样;某种类型的人
  • Astronauts have brought back specimens of rock from the moon. 宇航员从月球带回了岩石标本。
  • The traveler brought back some specimens of the rocks from the mountains. 那位旅行者从山上带回了一些岩石标本。 来自《简明英汉词典》
adj.无价的,非常宝贵的,极为贵重的
  • A computer would have been invaluable for this job.一台计算机对这个工作的作用会是无法估计的。
  • This information was invaluable to him.这个消息对他来说是非常宝贵的。
学英语单词
acute accent
afrotherians
andinus
antineutrino
appealings
Bichlbach
blockade runner
bois de Belleau
bubble-ups
bulb type hydrogenerator
bunch builder
camblets
chaptalising
chiseled in
chromosome library
comenable
conical external toothed lock washer
craftihood
crepe meteor
crosslet
Culver's-Root
curve of weight
cyclic strain amplitude
darcis
dehydration product
delicate
design of domestic ceramics
discharge grating
do something over
down to date
enveloping worm gear reducer
essential amino-acid
extreme fighting
fboes
fertilizing hair
folkhouses
glandulae bulbourethralis
gossomer
hadde
homemade bomb
Hoskinston
I-n-Areï
idle torque of clutch
ignosterol
immunogoldsilver staining
ISO image
jew's-ear
kasugamycin
lactic acid methyl ester
Lactuca L.
left-and-right
Leptogramma
lifter adjusting crank
lipset
lose out on
magnesio dolomite
maximum likelihood identification
mechanical press forging die
molluscum sebaceum
multistratified
non-marine user
not worth a tinker's cuss
off-floor trade
organic matter degradation
overhead value analysis
paper qualification
papilifrom
paraffin aldehyde
partition effect
picture-tube brigh-tener
plectostele
Pointe-Noire, B.de
polling-booth
post sing. sed. liq.
pre-flysch facies
price of the privilege
property guardian
puppetlike
pure breeding
radio navigation silence
rotary grain grader
Rovescio
scrone
selfsacrifice
Sembawang Estate
semibald
single-turn trimmer
Skire Thursday
special question
stall protection system
standard eye
stannide
submicro analysis
superregenerative detection
tan chami odori (okinawa)
tight lips
uncontrolled enterprise
upstream inpoundment
Valaxa, Nisis
vulgar establishment
whisky jacks
yacco