柯林斯詞典bobbin /?b?b?n/ (bobbins) 1. N-COUNT A bobbin is a small round object on which thread or wool is wound to hold it, for example, on a sewing machine. 線軸 返回 bobbin劍橋詞典a small round or tube-shaped object around which thread is put, often to go in a sewing machine （常指放入縫紉機(jī)的）繞線筒，線軸 返回 bobbin