Ringed seal pups are reared in snow dens.
环斑海豹通常在洞穴的底部生育.
A ringed seal scans for polar bears before snatching a breath.
一只环斑海豹在浮出水面前扫视周围是否有北极熊.
The ringed seal has a population of up to seven million, making it the most common seal in the Arctic Circle.
环斑海豹的数量高达七百万,这使它们成为北极地区最普通的海豹。
Ringed seal pups are not weaned for several weeks and so their mothers hide them in dens beneath the ice. If this pup is to survive, it must remain hidden.
小环斑海豹几周内不会断奶,所以海豹妈妈把它们藏在冰面下的洞穴里。如果小海豹想活下来,就必须藏好。

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