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
的气体流通。
retraction
/rɪ'trækʃn/ /rɪ'trækʃn/
n. 收回
近义词
n.联想词
;
版;;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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coamings, coangle, coapt, coaptate, coaptation, coarctate, coarctateretina, coarctation, coarctotomy, coarse,
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近义词
n.联想词
;
打，打声;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
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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co-assurer, coast, coast guard, coast line, coast range, coastal, coastal plain, coastdown, coastel, coaster,
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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
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。
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coastwaiter, coastward, coastwards, coastways, coastwise, coat, coat hanger, coat of arms, coat of paint, coatdress,
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 
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
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
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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coatrack, CoAtransferase, coatroom, coatsusceptor, coattail, coat-tail, coauthor, co-author, coax, coaxal,
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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。
：
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,
n. 收
近义词
n.联想词
;歉;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
，也支撑了整个口腔的气体流通。
声明：以上例句、词性分
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,
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
，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
、词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,
n. 收回
近
词
n. 
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、词性分类均由互网资源自动
，
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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cochleate, cochleitis, cochleoid, cochleotoxicity, cochleovestibular, Cochliodontidae, cochlitis, cochloitis, cochromatograph, cochromatographic,
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retracter, retractible, retractile, retractility, retracting, retraction, retractive, retractometer, retractor, retractozyme,
n. 收回
近词
n. 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体流通。
声明：以上例句、词性类均由互网资源自动生，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,