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
acknowledg
aerodontia
Appendage(epididymis)
aquatic chemistry
asault
at someone's disposition
auxiliary norm
Balékoutou
Ban Wang Phoem
be free
bill in equity
Bioterol
butt and strap hinge
canceler
cancer of mandible
clasp knife
collector transistion capacitance
convertible revolving credit
cracking chrome plated panel
decorative stone
delebarres
dermatitis desquamativa generalisata subacuta
design of fire separation
detailed questions
development aid
double veil
dyvoury
EHMO
error correcting procedure
experimentum crucis
external toothing
feeder trough
fictionally
financial systems
formosan lesser horseshoe bat
fractional carbonation
full-employment
ganmai dazao decoction
gap scanning
gasoscope
gimbal-mounted engine
goddessy
hailfall
homomultimeric
hydraulic diameter
hymnography
identical formula
immune reactions
just opinion
kettledrum
macrophagic system
magneto spheric shockwave
Matrix defense
monobander
MPTA
muck spreading attachment
multigroup diffusion
multiple correlation analysis
multiple spindle head
nascent
nearly-circular domain
nonslaveholders
Odontocidium
orthotetrahedron
phase relationship
Pieris polita
pinwork
plug-in coupling transformer
political campaign
Poopó, L.de
porsch
preclinical phase
precompensation
prochordal
radiant ceiling heating
regauged
regular quantity
repeater mode
Rhodo phyceae
sanitary pontic
Scleria terrestris
scutellaria root
semi-beta-carotenone
semiochemistry
SIR (selective information retrieval)
slathers
sodium meta-antimonate
steel refrigerator
symmetric bilinear form
talking big
Tarenna tsangii
three equidistant supports
timorsome
tivered
topshop.com
unmoored
unscrambled method
urogenital gland
US Post Office
variable speed governor
Ville-en-Tardenois
watch meetings