The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
笑肌和颊肌帮助唇的收缩，也支撑了整个口腔的气体流通。
retraction
/rɪ'trækʃn/ /rɪ'trækʃn/
n. 收回
义词
n. 联
词
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近义词
n.联想词
The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
和颊帮助唇的收缩，也支撑了整个口腔的气体流通。
声明：以上
、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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methylacetopyranone, methyl-acetylene, methylacryloyl-CoA, methylal, methylamine, methylaminoheptane, methylase, methylaspirin, methylate, methylated,
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收
近义词
n.联想词
;
;The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
笑肌和颊肌帮助唇的收缩，也支撑了整个口腔的气体流通。
声明：以上例句、词性
由互联网资源自动生成，部未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近义词
n.联想词
The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
笑肌和颊肌帮助唇的收缩，也支撑了整个口腔的气体流通。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其
容亦不代本软件的观点；若发现问题，欢迎向我们指正。
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近义词
n.联想词
The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
和颊帮助唇的收缩，也支撑了整个口腔的气体流通。
声明：以上、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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近义词
n.联想词
〕
;
驳;The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
笑肌和颊肌帮助唇的收缩，也支撑了整个口腔的气
。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指。
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近义词
n.联想词
;
，声;The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
笑肌和颊肌帮助唇的收缩，也支撑了整个口腔的气体流通。
声明：以上例句、词
类均由互联网资源自动生成，部未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近义词
n.联想词
,
,离;The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
笑肌和颊肌帮助
收缩，也支撑了整个口腔气体流通。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎我们指正。
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近义词
n.联想词
,
;The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity.
笑和颊
助唇的收缩，也支撑了整个口腔的气体流通。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,