音标:['rætʃitiŋ] ;
棘轮效应, 齿合, 联轴节, 离合器
v move by degrees in one direction only
词型变化:名词复数形式 : ratchetings
词性分布:
名词53%
形容词47%

今天我们要学的词是ratchet。 Ratchet是一个机械部件,叫棘轮,推动机器向一个方向转动。做为动词,我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学

发表于:2019-02-02 / 阅读(223) / 评论(0) 分类 英语每日一词

今天我们要学的词是ratchet。 Ratchet是一个机械部件,叫棘轮,推动机器向一个方向转动。做为动词,我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学

发表于:2019-02-02 / 阅读(280) / 评论(0) 分类 英语单词荟萃
学英语单词
aizoom
alkali soil
amanitatoxin
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approbate and reprobate
be ambitious to do sth
biopharming
Buntline, Ned
cake of thread
channel integral model
Chiconono
child-centered education
congenital monstrosity
Cordylidae
cottage loaves
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d'Arc, Jeanne
darkish
defluorinated phosphate
Deleau
deserteth
diadilan
dissemblation
duckbill platypus
earnings function
epimerases
euthanasees
falling tup machine
flabbly
flight check (fltck)
fuel oil filling system
gini coefficient of concentration
gravity return
heat energies
helicopter flight control system
hidradenomyoepithelioma
horsepower weight factor
hurstwood
intermediate thickness free skin graft
intrinsic colour index
isatyd
knocking test
LGW
lifter roof tank
Lookout Mountain
management style
Marwari
mean monthly temperature
Mikagura-dake
mondanoes
multirun study
munidopsis taiwanica
nasal aerosolization
navigation satellite timing and ranging
nectarivores
neuhoff
nitrobenzene
notched spike
online-to-offline
original receipt
over-bookish
overall progress
pakistani monetary units
partial sterilization
pontes e lacerda
product group forecast
reedville
reverse-flow type combustor
satellite switch
scat-
scopulous
sedge frog
seismic event
selective level measuring equipment
self-centering rotor
seringapatams
shawly
shubin
Sidra
smoothborer
snub roller
solitary ulcer of anus
sound-track engraving apparatus
speed marks
spiroma
static stretching
stunt-men
subjective right
sudden stratospheric warming
tcheky
Teneriffe
thermocamera
thwittle
tin(iv) telluride
top and bottom
treestar
Tropic of Carpricorn
unheind
urate thesaurismosis
virtual AP
Wynbring
Yandina