时间:2019-02-02 作者:英语课 分类:英语单词荟萃


英语课

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。


哈佛大学非洲裔教授盖茨在自己家中被捕一事引起了美国总统奥巴马的激烈反应。奥巴马事后缓和了语气,承认, "I obviously helped to contribute ratcheting it up," 我显然促成了这起事件的进一步升级。事后,奥巴马采取了一系列行动,努力化解矛盾。"He has already managed to ratchet down tensions with the police officers," 他已经缓和了跟涉案警察的紧张关系。好的,今天我们学习的词是ratchet...

 



学英语单词
absolute refractive index
active dune
aestuans
airbladder
Artemisia cana
asterionella japonica
Battle of Bull Run
bimetallic strip relay
boundary layer combustion
broad gauges
bronchial cyst
Bustan
catheterise
charlottenburg
chemistry of low dimensional solids
chiriman
claims settlement
class.
cliffhangers
combustion-supporting
compendiate
culicoides (monotomus) homotomus
date scale
degenerate quadratic form
Dow-Jones 30 industrial average index
dried kernel
duodeocholangeitis
E. C.
egholm
erythro-disyndiotactic
Esophagoileostomy
estimated time of return
fistball
fixed time test plan
French grip
geography
glacio-marine deposit
gretch
grid licking
Gronchi, Giovanni
hedge around
hetdar
Hexocyelium
highway trust fund
hilsas
homologizer
hornet's
HSAG
Högsjö
incobation
incorage
inverie
joint venture investment
Karabastau
licensed intermediary
live in the shadow
low pressure heater
macrostemum quinquepunctatum
mammalian hair fiber
megapulvinaria maxima
moscow canvas
neutral auto-transformer
niton
nodalising
normal closing hours
oval flaw
paradisiacal
patha dumbara dance troupe
PC - personal computer
petroleum machinery
polling and survey techniques
poor men
Proto-Oceanic
pump-outs
putback
pylaisiadelpha yokohamae
quassia families
quevenne scale
reflector panel
remittent
Scarpa's habenula
secondary reinforcer
security test
self-impedance
Stephen, Sir Leslie
Stereospermum strigillosum
symmetric interpolation formulas
synergia
talk some sense into sb
transmissibility coefficient
trivandrums
tubuli contorti
two-dimensional superconductor
type checking
UJ
unattainability
value acid
Vierendeel truss
wastage of the commodity
water liquid
water-carriage
window visor