短語詞組短語a long train of changes 一長串的變革a whole train of events 一系列的事件a new train of thought 一種新的思路a train of events 一連串的事件a train of gears 輪系a train of thought 一連串的想法;一條路子a train of horses 一隊馬a train of cars 一列火車廂a train of bubbles 一串氣泡 返回 a train of