BBC | 火山列岛 15
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Life in the lagoon depends on a daily flushing of water from the open ocean.
潟湖的生命主要依赖来自开放海洋的海水每日的冲洗
This flows in through channels formed by natural gaps in the reef.
暗礁中的天然缺口成为了其流过的通道
With each changing tide, a soupy river of debris
每次潮汐更替，充满碎屑以及养分的糊状河流
and nutrients flows out of the lagoon and into the blue.
从潟湖流入碧蓝的海洋
This attracts all sorts of life.
这吸引着各式各样的生命
One regular visitor to the channels is the gently gliding manta ray.
缓慢滑行的蝠鲼是一位定期会访问通道的客人
It filters out minute creatures floating in the currents.
它过滤出漂浮在洋流中的微小生物
But there's more than enough to go around.
但在这里的食物绰绰有余
Schools of snapper take the lead
由鲷鱼群带头
While a wall of fusiliers mops up the remains.
一大群红梅鲷做着残羹剩菜的扫尾工作
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