严寒的隆冬，它没有惧怕;残酷的风雪，没使它低头，它凭着如铜的硬干，赛铁的劲枝，顽强地抗争。
O O O B-Time I-Time O B-Thing O O O O O O O O B-Thing I-Thing O O O B-Thing I-Thing I-Thing O B-Thing O O O B-Thing O B-Thing I-Thing O O B-Thing O B-Thing I-Thing O O O O O O O