n.海象(形似海豹，獠牙较长，栖息在北极海域)

原形：walrus复数：walruses

The walrus uses its long tusks to break through sea ice in search of food.
海象用它长长的象牙破冰寻找食物。
A group of walruses sunbathing on the shore is a common sight in Arctic regions.
在北极地区，一群海象在岸边晒太阳是常见的景象。
The walrus's thick layer of blubber helps it survive in freezing waters.
海象厚厚的脂肪层帮助它在冰冷的水中生存。
The calves stay close to their mothers, learning essential survival skills.
幼崽会紧贴着母亲，学习必要的生存技能。
Walruses communicate with a variety of vocalizations, including grunts and clicks.
海象通过各种声音交流，包括咕噜声和咔嚓声。
These marine mammals can hold their breath for up to 20 minutes while diving for prey.
这种海洋哺乳动物潜水捕食时可以屏住呼吸长达20分钟。
Walruses are social animals and often gather in large herds.
海象是群居动物，经常聚集在大群体中。
Their powerful flippers allow them to swim rapidly and gracefully.
强壮的鳍状肢使它们能快速而优雅地游泳。
The decline in walrus populations is a worrying sign of the impact of climate change.
海象数量的减少是对气候变化影响的一个令人担忧的信号。
Conservation efforts are crucial to protect walruses and their fragile Arctic habitat.
保护工作对于保护海象及其脆弱的北极栖息地至关重要。