时间:2019-02-02 作者:英语课 分类:英语每日一词


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
Aalter
aclose
airborne infrared scanner
al murut
alphabetic listing
automatic sequence-controlled computer
bent crystal x-ray spectrograph
berbeck
Birmingham synchrotron
bleaching clays
blue stem
brakers
brim
camphoroquinone
Carpesium abrotanoides L.
central lateral plane
chain-and-ducking dog mechanism
chakram
classification statistics
closed-off
commissoria lex
crimping by stretching
definitive accessory veins
depork
differential resistance temperature characteristic
dynamic partitioning
eglanteria
epitonium bellicosum
errors-in-variables model
eupyrexia
face-to-back
fish block
fluoroplumbate
fonteno
frescoed
full and accurate
genki
halls cr.
high speed automatic monitor
Hilary,Saint
hominized
hypovascularized
inaccessiable
incremental servo-drive
inhalation aerosol
initial cathode emission
international multimodal transport
invading species
Itongafeno
Kaitlynn
kiew
kollar
lease terms
little cuttle
local class
make an examination of
malice aforethoughts
Mangamahu
manganese nodules
marooning
multinucleotide
Naira
nephrostomous
occipitium
oiling hand
Orbetello
other recordable optical disc drives
pancake turtle
phenoloid
polygonal height traverse
preheating plug
prominentia canalis semicircularis lateralis
pseudoepitarsus
radionuclide vesico-ureteral reflux test
remain cool
rosenbusch order of crystallization
saimonella
Salsipuedes, Pta.
self-powered hub
shoaling wave
short-breathed
sport-utility
subduals
sun drying
superconducting microwave device
table-tennis bats
technical support approach
thermal lag
tin-base babbitts
tracheo-asophageal
transformer kiosk
traverse drill
turtle geometry
underdamp
underexercising
unworkabilities
vacuum extensimeter
video waveform
visual apraxia
Wolf-Hirschhorn syndrome
worship the ground sb walks on
Zagné