As the tree grows, it adds a layer to its trunk taking up chemical elements from the air.

随着树木的生长，它在树干上增加了一层吸收空气中的化学元素而生成的膜。

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When an elephant gets a whiff of something interesting, it sniffs the air with its trunk raised up like a submarine periscope.

大象闻到一些感兴趣的味道，它就闻着那个味道翘起鼻子就像潜艇望远镜。

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A baby elephant will raise its trunk in the air when it wants attention from its mother.

象宝宝如果想要引起象妈妈的注意，它会把它的鼻子高高举起。

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One farmer says he watched an elephant pause at the fence and then try to reverse through it holding his trunk up in the air to avoid the stink.

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The A3 e-tron sports two Sanyo liquid-and-air-cooled battery packs, one under the trunk area and the other in a T-shape under the passenger compartment.

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