Different niches , having different requirements , result in different genes and different shaped mouthparts 不同的环境，对物种有不同要求，从而产生了不同的基因和不同形状的口器。
2.
The position a particular animal occupies in the strata of a food web is determined by its size , the anatomy of its mouthparts and its feeding preferences 一种动物在食物网中所?的位置，是由?的体型、口器构造与食性来决定的。
3.
And her head jerked in spasms , making a spattering noise ; her antennae crisped and burnt away and her heaving mouthparts cracked like pistol fire 她的头一阵痉挛，发出飞溅声，她的触角变皱然后烧没了，然后她翘起的口器像手枪开火那样破裂。
4.
The third used an anatomical technique ? the dimensions of the mouthparts ? that is also applied to the finches of the galapagos islands which , tradition has it , set darwin thinking about the species problem in the first place 第三种方式使用了一种解剖学技术? ?根据口器的尺寸，这种方式也曾被用于加拉帕哥斯群岛的雀类，传统观点认为正是这种分类使得达尔文首先考虑物种问题。
5.
Those who had prolonged binging and severely self - induced vomiting may have their stomach , eyes capillaries , internal mouthparts and fingers damaged , resulting in facial swelling or dental erosion . older age of onset and persistent fat - phobia were found to independently predict the poor outcome 长期因暴食而严重扣喉呕吐者，肠胃、眼睛微血管或口腔容易受损，面颊发肿，牙齿蛀蚀溃烂，需要更换，手部亦留下扣喉磨牙的痕迹。
