气球漫游
blown through───准备发动时输送蒸汽入汽缸；吹过；匆忙离开
fallen through───迷恋你；失败
falling through───落空；失败
followed through───坚持到底；完成球棒击球后的弧形动作
looked through───浏览，温习；看穿，识破；从…中显露
to walk through───穿行
balloon barrage───气球拦河坝
