而那正是北极熊、环纹海豹和海洋高音金丝雀——雪白的白鲸所需求的。
But it's exactly what is required for polar bears, ring seals, and the snowy-white beluga whales — the highly vocal canaries of the sea.
而那正是北极熊、环纹海豹和海洋高音金丝雀——雪白的白鲸所需求的。
But it's exactly what is required for polar bears, ring seals, and the snowy-white beluga whales — the highly vocal canaries of the sea.
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