每周周六、周日上午10时至下午5时轮流在孩子们下河的地点看护。
B-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time B-Person I-Person I-Person I-Person I-Person I-Person I-Person O O O B-Person I-Person I-Person O O O B-Location I-Location O O O