这个昆虫的上唇和上颚都受了伤。

The upper lip and mandibles of the insect were injured.

youdao

这个昆虫的上唇和上颚都受了伤。

The upper lip and mandible of the insect are injured.

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上颚既不是钩状的，也不是锯齿状的。

The upper jaw is neither hooked nor notched.

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在它的上颚有一对大的犬齿。

It has a pair of large canine teeth in its upper jaw.

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或者把舌头放在上颚，上排门牙的后面。

Or place tongue on alveolar ridge, the area behind your top teeth.

youdao

左边，就在我的上颚犬牙。

It's on the left side... just above my eye tooth.

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被拔掉一个上颚前门牙？

To have one upper front tooth pulled out?

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上颚最后的一只前臼齿，下颚最前的一只臼齿。

Last premolar of upper jaw, first molar of lower jaw.

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裂齿：上颚最后的一只前臼齿，下颚最前的一只臼齿。

Carnassial: Last premolar of upper jaw, first molar of lower jaw.

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过度的上颚突出式咬合或下颚突出式咬合都属于缺陷。

The badly undershot or overshot bite is a serious fault.

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这也指出了仙丹基因在上颚板发育上可能有著重要的角色。

It also indicates that sd may take part in palatal development.

youdao

咬和为剪状咬和，上颚突出或下颚突出式咬和都属于缺陷。

The incisors meet with a scissors grip. Overshot or undershot is a fault.

youdao

咬和为剪状咬和，上颚突出或下颚突出式咬和都属于缺陷。

The incisors meet with a scissors grip. Overshot or undershot is a fault.

youdao