音标:[kwæk] ;
n. 鸭叫声, 冒牌医生, 冒充内行之人
a. 冒牌医生的
v. 嘎嘎叫, 当冒牌医生, 夸大广告
n. an untrained person who pretends to be a physician and who dispenses medical advice
n. the harsh sound of a duck
v. utter quacking noises
词型变化:名词复数形式 : quacks ; 过去式 : quacked ; 现在分词 : quacking ; 第三人称单数 : quacks ; 过去分词 : quacked
考试类型:[GRE]
词性分布:
名词39%
动词34%
叹词27%

quack的用法和样例:

例句

用作名词(n.)
  1. A duck's quack doesn't echo and no one knows the reason.鸭子呱呱叫是不会产生回音的
  2. She discovered that the man was a quack.她发现那人是个庸医。
  3. The quack was stormed with questions.江湖骗子受到了猛烈的质问。
用作动词(v.)
  1. He landed among the tame ducks, and began to waddle around and quack merrily.他落在了家鸭群中,开始四处踱来踱去,欢叫个不停,还吃起了地上的谷物。
用作形容词(adj.)
  1. He was told that it's a quack medicine.他被告知这是假药。

词汇搭配

  • quack effect电离层回波效应,反射...
  • quack grass偃麦草
  • quack doctor蒙古大夫
  • quack-quack嘎嘎

经典引文

  • Hatred of quacks may lead us to despise the true healers.

    出自:K. Tynan
【近义词】

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学英语单词
acceleration from rest
adaptation energy
aeocanthin
agathidium (agathidium) distinguendum
allchurch
apparent photosynthesis
ar-Cureumene
best track
breakwater quay
bug eye
C-E
cheilosporum palmatum aresch. var. filiculum (aresch.) yendo
clause bill
cletocythereis yehchuan
colorscript
conditional joint distribution
countercondition
course name
defeasances
digital recordings
discharge of fluid
Dissel mean effective pressure
Dixie wrecked
doubly guilty
eneigre
epoxy chloropropane
essential proposition
excess energy meter
execeptional values
external revision
fiscal union
fit-up
float-type pneumatic water feeder
gas-phase mass transfer coefficient
Glasgow smiles
got off
grinding tool
harrumpher
have many irons in the fire
Henry Cavendish
hybrid identity
hydroxymethyluridine
Hypermalloy
immunoproteomic
imperium
insurgent body
intramarginal
malfusion of pancreatobiliary ducts
mandopop
Melinninae
Merge cell
meryte
montanaroes
mutist
nayer
Nok culture
non-stumped seedling
nonspecific stimulation therapy
nucleus reticularis lateralis
offshore oil-gas-water processing plant
ohmmm
optics of lens
oscillator padding
out of conceit with
overlap test
overmedicating
pawkinesses
peace pipe
PMO (privileged memory operation)
polyurethane foam plastics
postcoxalia
pressure group
product algebraic variety
pullet bracket
quotient length operand
reformers
Regroton
remote elevation selsyn
rent-a-quote
rock steady structure
sand-protecting dam
saw bucks
sensitizing dyestuff
silicon based inoculant
silicon controlled excitation
South Plainfield
spark proof motor
standard eye
steeping fluid
subscriptions received in advance
survey theodolite
syringobulbia
tempts
top seal
transplatin
tupak-grass
U. S. Code
unloading well
us concern
V-neck
zeomorphis