| 词汇 | training wheels |
| 释义 | training wheels noun [ plural ] US uk/ˈtreɪ.nɪŋ ˌwiːlz/ us/ˈtreɪ.nɪŋ ˌwiːlz/ (UK stabilizers) （儿童学骑自行车时安装在后轮两侧的）稳定轮 small wheels attached to each side of the back wheel of a bicycle to prevent it from falling over when a child is learning to ride it |
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