tricycle

/ˈtraɪ.sə.kəl/

名词

（尤指儿童骑的）三轮脚踏车
The little boy gleefully rode his colorful tricycle around the park, ringing the bell as he pedaled.
那个小男孩开心地骑着他五颜六色的三轮车在公园里转圈，一边踩踏一边按响铃铛。