易混淆的单词： CROC

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2 / 5 The hippos become aware of the croc on their backs

2/5河马们意识到这只鳄鱼在它们背上的无礼之举。

This croc cannot be taken alive .

这只鳄鱼不可能活捉.

And suddenly the croc jumped out . The whole event took maybe 15 seconds .

突然间，一条鳄鱼窜出水面，整个搏斗大概持续了15秒钟。

This 3-foot-long croc was a plant - and grub-eater with a pair of buckteeth in the lower jaw it used to dig for food .

这种3英尺长的鳄鱼以植物和幼虫为食，它下颚上长着一对龅牙用来挖掘食物。

If there 's no croc down there , what the hell are we doing up here ?

如果下面没有鳄鱼我们还他妈的在这上面干嘛？