短语词组短語a speck of dirt 一粒汙點;一絲灰塵;一點塵土a speck of food 少量食物not a speck of 一點也沒有a speck of dust 一粒灰塵;一點灰塵a speck of paint 一點顔料;一點油漆a speck of dust detail 一點灰塵 返回 a speck of