Make sure that your tongue touches the back of the lower teeth.

一定要使你的舌头接触下齿的背面。

youdao

The lower jaw is broad enough for the lower teeth to be straight and even.

下颌宽阔，足够排列所有的下部牙齿。

youdao

Skull includes movable jaw, cut calvarium, suture lines and 3 removable lower teeth.

头颅含可活动的下巴、可移动的头颅盖、骨缝线和三颗可取下的下牙。

youdao

When he returns my smile, I see that he has two gold lower teeth, which light up the gloom.

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"One of the ways you can tell that is how your upper teeth fit to the lower teeth, " Papay said.

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Claire thought a moment, tapping her pencil against her lower teeth.

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