Phrase
electric arc
电弧
a luminous discharge of electricity between two electrodes or across a gap
- 1.
A discharge of electricity across a gap, causing ionization of the air (or other gas) and resulting in a bright, hot plasma.
电流在间隙中放电,导致空气(或其他气体)电离,形成明亮、炽热的等离子体
电流在间隙中放电,导致空气(或其他气体)电离,形成明亮、炽热的等离子体
In use
The welder used an electric arc to fuse the two pieces of metal together.
An electric arc can reach temperatures over 5000 degrees Celsius.
The laboratory experiment produced a bright electric arc between two carbon rods.
electric arc + between + noun phrase
描述电弧产生的位置。
An electric arc forms between the two electrodes.
两个电极之间形成电弧。
verb + an electric arc
动词常用produce, generate, create等。
The welder creates an electric arc to melt the metal.
焊工产生电弧来熔化金属。
electric arc + noun
电弧作为定语，常与技术名词搭配。
Electric arc welding is a common industrial process.
电弧焊接是一种常见的工业过程。
Common mistakes
The circuit produces an electric ark.The circuit produces an electric arc.
拼写错误：electric arc 的正确拼写是 arc，不是 ark。中文学习者常因发音相似而混淆。
The wires electric arc when they touch.The wires produce an electric arc when they touch.
词性错误：electric arc 是名词短语，不能用作动词。表达发生电弧现象时需使用 produce/create an electric arc 或直接用动词 arc。
Connections
Confusing words
- arc
- 弧 · 电弧特指电流通过气体产生的持续发光放电，而'arc'可指任何弧形或电弧现象，范围更广。
- electric current
- 电流 · 电弧是电流通过气体时产生的发光现象，而'电流'是电荷的流动，不必然伴随发光。
- spark
- 火花 · 电弧是持续稳定的放电，而火花是短暂的、瞬时的放电，持续时间极短。
Word family
- electric arcs
- plural
Learner notes
Grammar Note
通常用单数，指电弧现象
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.