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
A Supplement to the Compendium of Materia Medica
actor model
aerial tower
air floated powder
animal sling
anticipates
attriter
automatic thermo-regulator
auxiliatory
bacteriosolvent
bashanensis
blowing promotor
butyl octyl phthalate
by the that token
cammaconine
capnometer
cardiophrenia
career-limiting moves
celbenin
cervoid
chemoautotrophic bacterium
chkilis
coming close
contemporary fiction
corsete
D-configuration
Dniprodzerzhynsk
endemic erythema
enzymatic oxidative browning
extrapolation of creep data
falsehearted
fast Ethernet
first-choice
floury
foil wrapping machine
free of losses
Gauss error curve
generalized New-tonian fluid
gerb
glandulae vestibulares minores
go spare
Gortyna
hormonal agent
hydnocarpin
hydrocortisone butyrate propionate
hypovanadate
ice bucket
in very poor nick
indirectamente
kombat
korean hemorrhagic fever (khf)
lead for instrumentation
Lexos
leycester
libidoes
long exchange
Lousa
moon daisies
neuropuncture
no-job definition error
non-ideological
nonvolatility
numerical algorithm library
operator-assisted call
palmoplantar wart
pdl.
percolating filter
photographic crew
powdered aluminium
prunicyanine
pseudospherical
put on an air of
pyreto-
Queyrat's erythroplasia
relay-type recorder
seal liner
see somebody off
select register
self hardening steel
single-ring naphthene
small-amplitude
snow groomer
spring reverse motion
stroke of genius
sulfoxides
superradiant state
sweep expansion
switchgear
temporohyoid
test suit
thermometric equivalent
track angle
transfigurest
trypsin-like
ultrasonic CW spectrometer
underwater photography
unpicturable
ventilation breather
Web Services Atomic Transaction
Wild Hunt
withdrawal lever
Yartsevo