上颚

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

罗斯干舌燥，舌头黏着颚。

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.

合,以鼻呼吸,舌头卷,并一弛一张地顶撞颚。

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.

本篇文章将介绍一病例，此病例为颚双侧正中门齿阻生合并下颚双侧侧门齿与犬齿融合。

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).

颚消失，退化为一片，下退化为一小片（下须发达）。