短語(yǔ)詞組短語(yǔ)Teaching Idea Drop Behind 教學(xué)觀唸落後drop behind the back 背後脫落;杠鈴背後脫落drop behind fall behind 落後drop behind the ranks 落在隊(duì)伍的後麪;落伍drop behind others 落在別人後麪drop behind the other runners 落在其他跑步者的後麪drop behind the other runner 落在其他跑步者的後麪Fall behind or drop 逆水行舟不進(jìn)則退;逆水行舟 返回 drop behind