cannot by itself sustain the chimps for long. 无法长久维持黑猩猩群的生活
and helps to sustain the entire Cerrado. 并有助于塞拉多草原的稳定
that sustain nearly all life in the ocean. 几乎所有生命的食物链基础
There is simply not enough prey to sustain more. 只是因为猎物数量不足以维系更多的生命
and it could sustain her for days. 这顿美餐能让她支撑数日
They provide the only food and water to sustain the family. 嫩叶提供了这个家庭唯一的食物和水
If the mother can sustain her cub for a few more weeks 如果母豹能和小豹多坚持几个星期
the temperate seas sustain these levels of life throughout the summer. 气候温和的海域维持这个生命水平贯穿整个夏季
and continue to sustain the biggest herds on Earth. 草便又继续维系着地球上 最大的动物群落的食物需要