The upper lip and mandible of the insect are injured.
这个昆虫的上唇和上颚都受了伤。
The upper end of the bracket body (1) is connected with a cheek side fixed wing (2), and the lower end of the bracket body (1) is connected with a mandible fixed wing (3).
支架主体（1）的上端连接有 颊侧面固定翼（2），支架主体（1）的下端连接有下颌骨固定翼（3）。
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