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1·He chewed his lower lip nervously.

他紧张地咬着下唇。《柯林斯英汉双解大词典》

2·His lower lip trembled.

他的下唇在颤抖。《牛津词典》

3·She bit her lower lip.

她咬着下唇。《柯林斯英汉双解大词典》

4·She bit her lower lip to keep it from trembling.

她咬着下唇不让它颤抖。

5·The boy acquired the trick of making his lower lip tremble when asking for a free pie from a coffee stand.

为了咖啡摊的一块免费馅饼，这个男孩学会了在乞讨时下唇发抖的技巧。

6·They are recognizable by their coloring (mostly brown with yellow spots), large pointed teeth, and the notch in their lower lip.

可以从它们的颜色（大多是带有黄色斑点的棕色）、大尖牙和下唇的凹陷处辨认出来。

7·A silver Rolex peeks out from under his cuff, and a vertical strip of white beard drops down from his lower lip like an exclamation mark.

一款银色的劳力士从他的袖口里微微露出来，一小撮白色胡须从下唇垂落，看起来像个感叹号。

8·The labio-dental sounds are articulated by the lower lip against the upper teeth, eg. /f/.

唇齿音由下唇与上齿连接发出，例如 /f/。

9·The girl pushed her lower lip out.

那个女孩子撅起了嘴。

10·His mother's lower lip was coming at him.

他母亲的下嘴唇向他撇来。

下唇

1·His lower lip trembled.

他的下唇在颤抖。《牛津词典》

2·Lower lip numbness is a symptom that may be due to entirely benign causes, or it may be the first sign of a more sinister problem.

下唇麻木是一种症状，可能是由于完全良性的原因，或者它可能是第一个迹象，更险恶的问题。

3·Her upper eyelids, forehead, lower lip and chin are all that remain of her original features.

她的上眼睑、前额、下唇和下颌仍然保留有她的原来特征，其余的就是新的了。

4·The lower lip of horizontal growth pattern are correlated with both the maxillary and mandibular structures.

②水平生长型组下唇矢状向位置及伸展度与上下颌硬组织均相关。

5·The lower lip of average and vertical growth pattern are only correlated with the mandibular structures.

③平均生长型组及垂直生长型组下唇矢状向位置及伸展度与下颌硬组织相关。