pedaling 是 pedal 的變化形pedalKK [ˋpɛdəl] /ˈpɛdəl/發音ped 腳+-al 形容詞→腳的、與腳有關的展開收合ped字根腳-al字尾形容詞字面：腳的、與腳有關的用腳操作的部件，即踏板。名詞1踏板、腳踏板My left pedal came loose while I was riding home.我騎車回家時，左邊的踏板鬆掉了。2踏板、延音踏板音樂She pressed the pedal to let the chord ring out.她踩下踏板，讓那個和弦持續迴盪。3油門、踏板汽車He hit the brake pedal just in time.他及時踩下了煞車踏板。動詞1踩踏板、騎車We pedaled slowly along the river for two hours.我們沿著河邊慢慢騎了兩個小時。2踩動、踩She pedaled her bike up the steep hill without stopping.她一路踩著腳踏車爬上陡坡，中途沒停下來。