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单词 dynamo
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dynamo

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dynamo

(daɪnəmoʊ)
Word forms: plural dynamos
1. countable noun
A dynamo is a device that uses the movement of a machine or vehicle to produce electricity.
2. countable noun
If you describe someone as a dynamo, you mean that they are very energetic and are always busy and active.
Myles is a human dynamo.

dynamo in British English

(ˈdaɪnəˌməʊ)
nounWord forms: plural -mos
1. 
a device for converting mechanical energy into electrical energy, esp one that produces direct current
Compare generator (sense 1)
2.  informal
an energetic hard-working person
Word origin
C19: short for dynamoelectric machine

dynamo- in British English

or sometimes before a vowel dynam-
combining form
indicating power
dynamoelectric
dynamite
Word origin
from Greek, from dunamis power

dynamo in American English

(ˈdaɪnəˌmoʊ)
nounWord forms: plural ˈdynaˌmos
1.  Obsolete
generator (sense 1) generator (sense 1b)
2. 
a forceful, dynamic person
Word origin
< dynamoelectric machine

dynamo- in American English

(ˈdaɪnəˌmoʊ)
power
dynamometer
Word origin
< Gr dynamis: see dynamic

dynamo in Electrical Engineering

(daɪnəmoʊ)
Word forms: (regular plural) dynamos
noun
(Electrical engineering: Electrical power, Motor or generator)
A dynamo is a device for converting mechanical energy into electrical energy.
In a dynamo, the mechanical energy of rotation is converted into electrical energy in the formof a current in the armature.
The regulation of a direct current system between dynamo and translating device depends solely upon the resistance of the circuit.
A dynamo is a device for converting mechanical energy into electrical energy.

Examples of 'dynamo' in a sentence
dynamo

Mum is like a human dynamo.
Times, Sunday Times (2013)
QI want a bike with a hub dynamo that produces enough light for dark country roads.
Times, Sunday Times (2010)
That's their little midfield dynamo.
Times, Sunday Times (2010)
He's like a little dynamo.
The Sun (2006)
With 700m left, the lean pocket dynamo made his move.
The Sun (2012)
This pocket dynamo, who earns his money supplying labour to maintain the railways, makes things happen.
Times, Sunday Times (2006)
Judges called him 'a dynamo '.
The Sun (2009)
A better - though more expensive - alternative is a hub dynamo system.
Times, Sunday Times (2010)

In other languages
dynamo

British English: dynamo NOUN
A dynamo is a device that uses the movement of a machine or vehicle to produce electricity.
...a bicycle with a dynamo.
  • American English: dynamo
  • Brazilian Portuguese: dínamo
  • Chinese: 发电机
  • European Spanish: dinamo
  • French: dynamo
  • German: Dynamo
  • Italian: dinamo
  • Japanese: 発電機
  • Korean: 발전기
  • European Portuguese: dínamo
  • Latin American Spanish: dinamo
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更新时间：2024/11/15 2:37:25