上颚

Rose's mouth was dry, her tongue cleaving to the roof of her mouth.

罗斯口干舌燥，舌头黏着上。

In this paper, we reported a case that simultaneously had maxillary bilateral impacted central incisors with dilaceration and mandibular bilateral fused lateral incisors and canines.

文章将介绍一病例，此病例为上双侧正中门齿阻生合并下双侧侧门齿与犬齿合。

Lip closes gently, breathe with bazoo, coil on the tongue, and a piece of ground carries one relax on the head dash against is gnathic.

口唇轻合,以鼻呼吸,舌头上卷,并一弛一张地顶撞上。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

上消失，上唇退化为一条，下唇退化为一小（下唇须发达）。