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
2-out-of-3 link
alkalies
alloheteroploidy
anti-perspirants
aphanurus mugilus
askolis
assign
be the cat's whiskers
belt dryer
beta-hemolytic streptococci
binary coded decimal number
Buad
by product sales
chromatographic technique
cobra toxin
colchicines
collision clause
computerized emulation
cost control system
customary orders
daughter activity
destane
distribution-free analysis
end-of-string
energy of thermal motion
entourage effects
ev'ry
ewer in human form
fibrae cuneocerebellares
filipe
fire-insurances
Flourensia
focal plane field
Foltz's valves
fore-pretended
fractional frequency offset
gaseous radwaste
general principles of law
geographical dictionary
healtheon
Hench-Aldrich index
herbie
high speed test
idioctionia
in-ground
isosthenuria
isua
kimberly-clark
Kinopanorama
kleinfelter
lancifolius
lawrence livermore national laboratory
marrise
masking sound
measurement of humidity
mechanicalshovel
micromation recorder
mobile pump
mokos
multi-storied
natural cooling water
noninduced
oil pan gasket
orthopantogram
OTIF
oxidant smog
Oxyjulgoldite
Parapteropyrum tibeticum
pathological conditioned reflex
pelvic outlet plane
perchloroheteroaromatic
perfect gas aerodynamics
peucedanocoumarin
phase separator
plant biomass
population intensity
poson
Puebla del Maestre
pusher-dozer
rainfall area
registering court
robot-maker
sea poacher
settle someone's hash for him
signories
sound fixing and ranging channel
stara
stream-lined
suit to
Svarstad
sweettalking
swing hanger axle
Taraxacum sikkimense
the frozen limit
tie a knot
Ts'ivi, Mt'a
two-norm
unlickable
Vierkleur
warm stage
word-board
yaroslavs