When you have tanks of air on your back you can stay in deep water for a long time 该文章转载自出国
人气：466 ℃ 时间：2019-12-12 12:26:13
解答
当你背上背有氧气罐的时候,你就可以在深水处呆较长时间
希望有帮助(*^__^*) 嘻嘻……
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