时间:2019-02-16 作者:英语课 分类:英语听力广播—Listening


英语课

 【英文原文】


Have you ever dashed across a parking lot in a sudden rainstorm? You might think that you’ll stay drier by running as fast as you can.but wait!The faster you run, the more drops you’ll run into horizontally, soaking your front.
You want to stay as dry as possible, so what should you do: Walk or run?
A scientist would break this problem into its simplest elements. If there’s no wind, you’ll only get wet from two directions-above as the drops fall on you, and in front as you move into them. The amount of wetness from above is determined 1 by how long you stay in the rain.
If you stay outside twice as long, your head and shoulders will get twice as wet. As far as your top is concerned, the faster you run the better. Running faster means less time spent in the rain.
The water you run into is another story. The faster you go, the more rapidly your front will collide 2 with raindrops, but you’ll also spend less time running through them.
As it turns out, no matter how fast you go, you’ll always hit the same number of drops from the front. If you slow down, you’ll hit them more slowly, but the total amount will be the same at the end of your trip.
Putting the two parts together,top and front,it’s clear that running will indeed keep you drier than walking, but not by very much. It only keeps the top of your head and shoulders drier. Your front will be just as wet whether you sprint 3 or shuffle 4.

adj.坚定的;有决心的
  • I have determined on going to Tibet after graduation.我已决定毕业后去西藏。
  • He determined to view the rooms behind the office.他决定查看一下办公室后面的房间。
vi.碰撞,互撞,冲突,抵触
  • The interests of the two countries collide.两国的利益发生冲突。
  • The tides slide on the tidy wide beach and collide each other.海潮在整洁宽阔的海滩上滑行并相互碰撞。
n.短距离赛跑;vi. 奋力而跑,冲刺;vt.全速跑过
  • He put on a sprint to catch the bus.他全速奔跑以赶上公共汽车。
  • The runner seemed to be rallied for a final sprint.这名赛跑者似乎在振作精神作最后的冲刺。
n.拖著脚走,洗纸牌;v.拖曳,慢吞吞地走
  • I wish you'd remember to shuffle before you deal.我希望在你发牌前记得洗牌。
  • Don't shuffle your feet along.别拖着脚步走。
学英语单词
a youthful cadre
a-Si
abnormal development of fetus
aircraft cleaning truck
Alyssum dasycarpum
antenna tower
Aztec tobacco
back-andforth
Barnard Glacier
battle of form
car walls
certificate mail
chamberlaine
channel reversing switch
chloroparaffin(e)
cirripedias
civeran
cochen
Codman's triangle
coed crew
collina
contalax
counter reformations
cylindrotheca closterium
deathnium centre
decussatio tegmentalis ventralis
defect in timber
designation of chromosome
domestic silkworm moth
donation by will
double-pole single-throw
dual valve pump
earth-based
effect of termination
Eocene climate
fibroglia fibrils
fixed base current bias
fused cast block
Gobindapāra
ha'n't
halberds
hand aircraft camera
hanging rod for pipe
high pressure spray pump
index surface
knight errantry
laser plumbing
lateral discharge
leisure times
low speed screw conveyor
machine science
markewitz
maseliche
Ndoto Mts.
Nghia Loi
nightlongs
nineth
nondenominated
nontribal
nullipara
organismal ecology
pearlite structure
PharmGKB
Phoca
pipt-
praetorians
Rabdosia flexicaulis
rag cutter with disc knives
re-creates
redpolled
rollsiegel
saracino
sceloglaux albifaciess
school principal
schungite
screwed something up
side-rein
smitt
Snares penguin
squamula septum
squiggly
state-sets
strenuositys
striated boulder
surge forward current
team characteristics
test and evaluation master plan (temp)
Thamnastraea
theca-cell tumor
two-color photometry
ultramarathoner
undispiteous
unlated
Vohburg an der Donau
water cooled probe
wave sampler
wedding-favor, wedding-favour
whole holiday
Wrap Account
ymedicable
zaragoza (saragossa)
zinns