fall的用法 vi.掉下，落下；下降，降低；摔倒，跌倒；倒塌，崩潰vt.陣亡；突然倒下n.降落，下降；摔倒；向下傾斜

上海新東方英語和你一起學習fall    the leaves fall in autumn. 此句中fall用作動詞,意為“落下,下降”,這是其常用法。fall還有其它用法。如:

　�、賗 had a fall and broke my arm. (fall用作名詞,意為“跌落,掉下,降落”。)

　�、趏ur holiday plans fell through because of bad weather. (fall through 意為“落空,未能實現(xiàn),成為泡影”。)

　�、踡y car is falling apart. (fall apart意為“破裂,破碎,散架”。)

　　④we fell about (laughing) when we heard the joke. (fall about意為“無法控制地大笑”。)

　�、輘am, please fall back on old friends in time of need. (fall back on意為“求助于,退到”。)