AC
noun
uk /ˌeɪˈsiː/ us /ˌeɪˈsiː/
ACnoun (ELECTRICITY)
[ U ]
abbreviation for alternating current: electrical current that regularly changes the direction in which it flows交流电（alternating current的缩写）
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DCnoun(ELECTRICITY)
SMART Vocabulary: related words and phrases
Electricity & electronics
anodize
anti-static
arc
bitstream
brownout
capacitance
chargeable
electricity
high-voltage
homing
induction
linesman
magnet
multimeter
negatively
non-electric
non-electrical
non-electronic
solid-state
transistorized
ACnoun (AIR)
[ C or U ]US
abbreviation forair conditioner or air conditioning空调机，空调系统（air conditioner或air conditioning的缩写）
SMART Vocabulary: related words and phrases
Parts of buildings: vents & ventilation
air con
air conditioner
air conditioning
air-conditioned
air-cooler
chiller
chimney pot
chimney stack
circulator
cooler
dehumidify
duct
ducting
extractor
flue
unventilated
vent
ventilated
ventilation
ventilator
.ac
uk /dɒtˈæk/ us /dɑːtˈæk/
abbreviation for academic institution: used in internet addresses that belong to academic institutions such as universities: 学术机构网址域名的一部分，表示大学等学术机构（academic institution的缩写）
www.cam.ac.uk剑桥大学官方网站 www.cam.ac.uk
SMART Vocabulary: related words and phrases
Internet terminology
.plc.uk
2FA
2SV
above/below the foldidiom
address bar
affiliate link
atm
fold
Instagram
Instagrammable
Instagrammer
instant-message
internet
service provider
the World Wide Web
TikToker
timeline
trackback
trend
troll factory
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