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.

本篇文绍病例，此病例上颚双侧正中门齿阻生合并下颚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,并弛张地顶撞上颚。

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).

上颚消失，上唇退条窄横片，下唇退小片（下唇须发达）。