| 释义 |
training wheels  plural noun North AmericanA pair of small supporting wheels fitted on either side of the rear wheel of a child’s bicycle.In those days, at least in that part of England, there were no such things as training wheels and the smallest bicycles had twenty-four-inch wheels....- ‘When he was 4 he jumped on a bicycle - no training wheels - and just rode off,’ says Bill.
- He could remember scenes when Nora was four, and he had pushed her down the driveway on her bicycle without her training wheels.
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