1
a/an + dynamo
dynamo 是可数名词，指发电机；表示“一台发电机”时用 a 或 an。
The engineers installed a dynamo in the new building.
工程师们在新建的楼里安装了一台发电机。
发电机
dynamos — plural of dynamo
先理解核心含义，再看它在真实句子里的用法。
发电机
a machine that produces electricity; a generator
The engineers installed a dynamo in the new building.
工程师们在新建的楼里安装了一台发电机。
发电机；直流发电机
An electricity generator; a dynamo-electric machine.
由在电磁铁两极间旋转的线圈(电枢)组成的发电机,使电枢中产生电流。
generator consisting of a coil (the armature) that rotates between the poles of an electromagnet (the field magnet) causing a current to flow in the armature
天体(如地球或恒星)产生磁场的机制
The mechanism by which a celestial body, such as the Earth or a star, generates a magnetic field.
精力充沛的人
An energetic person.
A small dynamo on the bicycle wheel powers the headlight when we ride.
我们骑车时，自行车轮上的小型发电机为车灯供电。
The engineer tested the old dynamo before connecting it to the emergency lights.
工程师在把旧发电机连接到应急灯之前对其进行了测试。
These dynamos convert mechanical energy into electricity for the factory.
这些发电机把机械能转化为电能供工厂使用。
dynamo 是可数名词，指发电机；表示“一台发电机”时用 a 或 an。
The engineers installed a dynamo in the new building.
工程师们在新建的楼里安装了一台发电机。
dynamo 的复数形式是 dynamos，如 two dynamos。
This dynamo produces enough electricity for the whole village.
这台发电机为整个村子提供足够的电力。
Not this
The power plant has three dynamoes.
Use this
The power plant has three dynamos.
dynamo 的复数形式是 dynamos，而不是 dynamoes。虽然许多以 -o 结尾的名词加 -es，但 dynamo 是例外，结尾直接加 -s。
Not this
The factory bought much dynamo.
Use this
The factory bought many dynamos.
dynamo 是可数名词，不能用 much 修饰；表示数量多时应用 many 加复数形式 dynamos。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
自行车发电机
The bicycle dynamo powers the front and rear lights.
自行车发电机为前后灯供电。
花鼓发电机
My new wheels have a hub dynamo, so I never worry about batteries.
我的新轮子装有花鼓发电机，所以我从不用担心电池。
发电机照明
Dynamo lighting is popular with long-distance cyclists.
发电机照明深受长途骑行者的欢迎。
发电机发电
The dynamo generates electricity whenever the wheel turns.
每当车轮转动，发电机就会发电。
由发电机供电的
The emergency radio is dynamo-powered and needs no batteries.
这台应急收音机由发电机供电，不需要电池。
精力极其充沛的人；不知疲倦的人
My grandmother is a human dynamo; she's always gardening, cooking, and volunteering.
我祖母是个精力极其充沛的人，她总是在做园艺、做饭和志愿服务。
充满活力的人；能量源泉
The team's success owes much to Maria, a dynamo of energy who motivates everyone.
团队的成功很大程度上归功于玛丽亚，她充满活力，激励着每个人。
精力旺盛地工作；不知疲倦地工作
He worked like a dynamo all week to finish the report on time.
他整个星期都精力旺盛地工作，以便按时完成报告。
Use dynamos naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
dynamo 以 dyn 开头，让人想起 dynamic（动力），联想它把动力变成电流，就是发电机。
语域：mixed 常见场景：技术文档、物理教材、自行车或手摇发电设备说明 该义项指发电装置，多用于技术资料和物理教材，也较常见于自行车灯等设备说明；整体偏书面，日常口语中更常说 generator。
复数形式为 dynamos（直接加 -s）。
Dictionary facts from ECDICT, WIKTIONARY.