59 篇文章
Trapped turtles can often free themselves
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Trapped turtles can often free themselves 被困住的海龟在涨潮的帮助下

But free riders are only tolerated for so long.
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But free riders are only tolerated for so long. 不过搭便车的也得意不了多久

wriggle free and drop into the stream below.
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wriggle free and drop into the stream below. 可以扭动着挣脱出来 掉进下方的溪流里

but it's still a struggle for the flamingos to break free.
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but it's still a struggle for the flamingos to break free. 但是火烈鸟仍然需要努力冲破冰层

if it can't free itself,the youngster will starve.
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if it can't free itself,the youngster will starve. 如果它摆脱不了 就会饿死

lemurs have been free to colonise almost every environment on the island,
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lemurs have been free to colonise almost every environment on the island, 狐猴能够在整片岛屿上生活

The ducks must quickly prise the mussels free before the tide starts to turn.
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The ducks must quickly prise the mussels free before the tide starts to turn. 绒鸭必须赶在潮流转向之前迅速采食

less than three per cent of Antarctica is free of ice,
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less than three per cent of Antarctica is free of ice, 南极洲也只有不到3%的地方没有被冰封

Free from competition,
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Free from competition, 由于没有竞争