fall: [ f?:l ]n. 秋天,落下,瀑布v. 倒下,落下,来临 词形变化: 动词过去式:fell 过去分词:fallen 现在分词:falling 第三人称单数:falls 例句与用法: 1. He fell into the lake. 他掉进了湖里。2. A fall of rocks blocked the road. 掉落的岩石把路封住了。3. Six tigers fell to his rifle. 他用步枪射倒了六只老虎。4. Many trees fell in the storm. 在那场暴风雨中有许...