名词
中文翻译：海豹
同义词：
['polar bear', 'polar bears例句：1. The sea backthern are known for their unique fur coloration.（海豹以其独特的毛色而闻名。）']
例句：
-
1. The sea backthern are known for their unique fur coloration.
海豹以其独特的毛色而闻名。
-
2.Polar bears are a critically endangered species in the Arctic.
北极熊是一种濒临灭绝的物种，生活在北极地区。
-
3. The sea backthern is an important food source for many marine mammals.
海豹是许多海洋哺乳动物的重要食物来源。