In an unusual ambush, a Nile crocodile grabbed onto an elephant's trunk at an African water hole this summer.

这个夏天，在非洲某个小池塘，一个不寻常的埋伏，一只尼罗鳄一口咬住了大象的鼻子！

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I watched as he picked up a pecan, hurried to a tree and disappeared in a large hole in the trunk.

我看着他捡起山核桃，急忙跑到一棵树上，消失在一个大洞的行李箱里。

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Relations of hole diameter, distance between adjacent holes, and flow volume of trunk to distribution of flow volume were discussed.

讨论了孔径、孔间距、总管流量与流量均布的关系。

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Relations of hole diameter, distance between adjacent holes, and flow volume of trunk to distribution of flow volume were discussed.

讨论了孔径、孔间距、总管流量与流量均布的关系。

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