在2009年，就有一百三十多只海象因为类似的拥挤环境而死亡。

More than one hundred thirty walruses died during similar conditions in two thousand nine.

youdao

在2009年，就有一百三十多只海象因为类似的拥挤环境而死亡。

More than one hundred thirty walruses died during similar conditions in two thousand nine.

youdao