冬天到了，父亲的棉袄破旧，没钱买新的，母亲生怕父亲受冷，冻坏身体，熬夜给他一针一线地缝补。
B-Time I-Time I-Time I-Time O B-Person I-Person O B-Thing I-Thing O O O O B-Thing O O O O B-Person I-Person O O B-Person I-Person O O O O O B-Thing I-Thing O O O O B-Person O B-Thing O B-Thing I-Thing O O O