dynamo
dynamo — 名詞
- dynamosingular
- dynamosplural
1. a machine that makes electricity from movement, such as a turning wheel or handl
發電機
把轉動變成電力的機器
a machine that makes electricity from movement, such as a turning wheel or handle
A small dynamo under the wheel powered Gabriel's bike light at night.
車輪下方的小發電機在夜裡替 Gabriel 的腳踏車燈供電。
dynamo power a bike light
At the museum, children turned a dynamo by hand to light a bulb.
在博物館裡，孩子們用手轉動發電機來點亮燈泡。
turn a dynamo by hand
When Wei pedaled faster, the front dynamo sent more power to the lamp.
Wei 踩得更快時，前方的發電機把更多電力送到車燈。
The radio kept working because its dynamo fed power into the set.
那台收音機能一直運作，因為裡面的發電機持續替機器供電。
During the storm drill, the class used a dynamo so the radio could work.
暴風演練時，全班用發電機讓收音機能繼續運作。
- generator
a broader word for a machine that produces electricity, often larger or less specific
- alternator
a more technical word for a generator that makes alternating current, often in vehicles
文法句型
a dynamo powers a light
turn a dynamo by hand
fit a dynamo to a bicycle
用法筆記
Often used for a small generator on a bicycle or older equipment. The idea is making electricity from movement, not storing power like a battery.
常見錯誤
2. a person who is always full of drive and gets other people moving too
小馬達
總是精力充沛又帶動他人的人
a person who is always full of drive and gets other people moving too
Everyone calls Mira the office dynamo because she solves problems all day.
大家都說 Mira 是辦公室裡的小馬達，因為她整天都在解決問題。
call someone a dynamo
After the long train ride, Heather still worked like a dynamo backstage.
坐了很久的火車後，Heather 在後台工作時還像個小馬達。
work like a dynamo
During the final minutes, Tariq became the team's dynamo and lifted everyone.
到了最後幾分鐘，Tariq 成了全隊的小馬達，帶動了大家。
Christopher, the class dynamo, organized chairs, props, and drinks before lunch.
Christopher 這個班上的小馬達，在午飯前就排好了椅子、道具和飲料。
By sunset, tired adults relied on Kwame, the cleanup dynamo.
到了傍晚，疲憊的大人們都得靠 Kwame 這個小馬達來收尾。
- powerhouse
suggests very strong output or influence, often in work, sport, or business
- live wire
more informal and emphasizes excitement or lively behavior
- go-getter
focuses more on ambition and drive to achieve success
- slacker
an informal word for someone who avoids effort or responsibility
- couch potato
an informal word for someone who is lazy and inactive, especially at home
文法句型
be a dynamo
call someone a dynamo
the team's dynamo
用法筆記
Usually used to praise someone who keeps work or activity moving. It often appears after be or in a noun phrase such as the team's dynamo.