劍橋詞典the activity of riding a bicycle 騎自行車運(yùn)動(dòng) The president showed he supported pedal power by turning up for work on a bike . 縂統(tǒng)改爲(wèi)騎自行車上班，表示支持騎自行車運(yùn)動(dòng)。 返回 pedal power