He will drown if he doesn't find land somewhere in this vast ocean. 如果在这片浩瀚的海洋里找不到陆地 它就会淹死
His giant front paws help him to fight the ocean currents. 它那巨大的前爪有力地拨动着海水
a permanent hole in the sea ice, kept open throughout the winter by strong ocean currents. 冰间湖是结冰的海洋上永久性的洞孔 因为有强大的洋流使它们冬天也不会冰封
the exhausted females now return to the ocean on their own, 精疲力竭的雌企鹅们独自返回海洋
an area sheltered by icebergs, trapped in the frozen ocean. 一个位于冰封的洋面上、到处冰山林立的地方
Every winter, emperor penguins leave the comfort of their ocean home 帝企鹅每年冬天便离开它们安逸的海洋家园
These birds do not need to go to the ocean for their food. 贼鸥不需要到海洋里捕食
they will be forced repeatedly to make the 600-mile round trip to gather food in the ocean. 雪海燕将为觅食而不断往返海陆600英里
eroded from the Himalayas is delivered to the ocean. 从喜马拉雅山脉上 崩塌下来的土石最终归于大海