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
43
AC traction substation
ad substance
alligator connector
anterior nare
aperture blockage
Aracatu
ash-keys
Association of Iiron&steel engineers
audit assistance personnel
Bacillus casei epsilon
beur
broken bond
bund wall
buried coaxial cable telecommunication
button mushroom
carcinoma simplex
cargo surveyor
centerless grinder
Chaadayevka
cherimolla
clearing away the lungheat and moisturizing
comfortfic
conventional core
corine
crossostoma lacustre
cutter's table
cycle tests
Deinocheilos sichuanense
demon dance (s. india)
domestic bill of exchange
eccentric-bushing
f(o)etal mumicication
false ganglia
flue-cured tobacco
Fourierites
freight air waybill
gallium arsenide surface barrier detector
geometric shadow
gert lush
Ginzburg-Landau theory
gradient method
hanging fly
hemispherule
higher light
holochoanite
hot-blast main
hot-fudge sauce
Ichalki
implant periodontal membrane
kniphofias
libriss
linking rule
liquid(-phase) polycondensation
lithogeochemical survey
Loudes
Lüderitzbucht
Machaneng
mammographer
Mariner Glacier
mistruth
multivariate partial autocorrelation
musets
neck strap
non-polar material
nonactins
off tracking
Omega-algebraic
Ophidiidae
oxochlorides
p-methoxyaniline
Pacific air route
perutzs
phosphatized
photomechanics
Pingxiang
program to program communication
progressing spring
pyramidal cell
rational curve
reactor recirculation pump
red-herrings
relationscape
Rubus sachalinensis
scombroids
scope operator
sodium dichloroisocyanate
starwheel
stirpital
stress control training
supra-thermal electron
Tacna, Dep.de
The plot thickens.
tongue switch
trinitrophenetole
turn scarlet
unmeddlesome
usda-inspected
valve rocker arm shaft support
variegated colours
Wikstroemia pilosa
yomigo