时间:2018-11-27 作者:英语课 分类:背诵为王第一册


英语课
13 Dogs

People often say that a dog is man's best friend. Over thousands of years, man has taught his dogs to do many kinds of work besides guarding the home. For example, sheepdogs are famous for their ability to control a flock 1 of hundreds of sheep.

Dogs have been used to aid disabled people for centuries. A guide dog can lead its blind owner. Nowadays, dogs can be taught to turn on light switches 2, open refrigerator doors and dial the telephone for their disabled owners. For the majority of people, however, dogs are simply pets and friends for both young and old members of the family.

guard 看守,看护
sheepdog 牧羊犬
flock 群
aid 帮助
disabled 残疾人
century 世纪
guide dog 导盲犬
dial 拨
majority 大多数



人们总是说狗是人类最好的朋友。几千年来,除了看家外,人类还教会了狗去做许多其他的事,例如,牧羊犬就因其可以控制数百只羊的羊群而出名。

狗用来帮助残疾人已有好几个世纪了。导盲犬可以为盲主人引路。现在,人们还教狗为残疾主人打开电灯、开冰箱和拨电话。然而,对于大多数人来说,狗只是家里老人和孩子们的宠物和朋友

1 flock
n.羊群,一群,大量;vi.群集,聚集,成群
  • A flock of customers were waiting for the store to open.一群顾客在等候着商店开门。
  • A few sheep have been lost from the flock.羊群里少了几只羊。
2 switches
n.转轨器,道岔;开关( switch的名词复数 );改变;(铁路的)转辙器;(电路的)闸v.转变,改变( switch的第三人称单数 );转换;挥动(棍棒、鞭子等);迅速转动
  • This button switches the current on. 这个电钮接通电流。 来自《简明英汉词典》
  • The switches close the contacts and complete the circuit. 这些开关可使接触器接通电流形成回路。 来自辞典例句
学英语单词
4-Nitro-2-aminophenol
abrasive type rice milling machine
acceleration at stall
ageing dye
agro-ecosystems
average range
Beadle -Tatum experiment
bestill
billet timber
binary digit
bounding box test
bubble bucket
butylated-p-hydroxybenzoate
camera altitude
circling around
claim co-operation clause
cloaking devices
conditioned reflex audiometry
conservative medication
dark-matter
De Gasperi, Alcide
deep creek ra.
dialypetalous flower
direct channel
do somebody a disservice
double-tone signal oscillator
ECDSA
erosion control work
evenhand
exhaust valve mechanism
fat-storing cell
first-order
fluke angle
fore limb (or thoracic limb)
foundation eugenics
geographic succession
girder structure
GM_especially-or-specially
go back to sleep
gradatories
gurches
Hyalommina
Hydrobates pelagicus
isovoacangine
johannes peter mullers
kaolin poultice
l-form
ladder escape
Land of Stars and Stripes
LingLing
long trip
longitudinal propagation
meaningless information
megasporangium
misdone
mosla japonica maxim.
my own
narcotized
notarial act of honour
Novoyeniseysk
odontornithic
oil brush
ovular hemiphyll
P-HPPH
paying tax
pilot-plant scale
plonged
plum green
polarity dating
posterior coronary artery
pseudo-velocity
push-down tape
quadrangularness
rescue and salvage tug
RSARR (Republic South Africa Research Reactor)
rubs along
sandoway (thandwe)
Schima sinensis
sea lettuce (ulva lactuca)
shadberry
shieldsmen
silent pictures
skin an eel by the tail
soap and water
source-material
stannometric titration
straight-line hammer
subsea christmas tree assembly
suspension winch
swiss mountain pines
teaching methods
the suspense is killing me
Tribecan
trichochrome
trimming filter
unreaves
uterine cancer
velum pendulum palati
weight-shift
woodwind section
work in three shifts
wulfenite