六五年，我在龙川第一中学选飞时参军，离开家乡快50年啦，真是“少小离家老大回，乡音无改鬓毛衰”啊。
B-Time I-Time I-Time O B-Person O B-Organization I-Organization B-Location I-Location I-Location I-Location O O O O O O O O B-Location I-Location O B-Metric I-Metric I-Metric O O O O O O O O O O O O O O O O O B-Thing I-Thing O O O O