除茎杆外，根茎可入药，在那个物质异常匮乏的年代，刚抽芽时刨出来的白白芦根，在我和小伙伴们的眼中曾成为糖果一般的珍品。
O B-Thing I-Thing O O B-Thing I-Thing O O B-Thing O O B-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time O B-Time I-Time I-Time I-Time O O O O B-Thing I-Thing I-Thing I-Thing O O B-Person O B-Person I-Person I-Person I-Person O O O O O O B-Thing I-Thing O O O B-Thing I-Thing O