she's kept her offspring safe and warm inside a chimney. 被她放在烟囱里 那里温暖又安全
While the female is still kept on land by her dependent cubs, 雌熊仍然在陆地上照顾小熊
which is why little auks have kept the ability to fly. 所以小海雀仍然需要保持飞行能力
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
and kept warm beneath the downy bulge of its stomach. 依靠耷拉下来的肚皮上的绒毛保持温暖