1. Walrus need either ice or land to rest. 海象需要在冰面或陆地休息。
2. Each spring, thousands of walruses return to the Walrus Islands in northern Bristol Bay to feed, rest, and sometimes die. 每年春天，成千上万只海象返回到布里斯托尔湾北部的海象群岛觅食、休憩、有时死亡。
3. The shaft of the ceremonial mace is the whorled tusk of a narwhal, a small Arctic whale. The door handles are of walrus tusk. 仪式权杖柄是用一种小型的北极独角鲸的牙齿制成的。门柄是用海象的牙齿制成的。
4. Introducing file locking to walrus. 引入对Walrus的文件锁定。
