名词
中文翻译：次要的口
同义词：
['subordinate mouth', 'secondary orifice例句：1. The surgeon carefully closed the secondary mouth of the wound to prevent infection.（外科医生小心翼翼地关闭伤口的次级开口，以防止感染。）']
例句：
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1. The surgeon carefully closed the secondary mouth of the wound to prevent infection.
外科医生小心翼翼地关闭伤口的次级开口，以防止感染。
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2.The fish had a secondary mouth that could open and close independently.
这条鱼有一个可以独立开合的次级嘴巴。
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3.The scientist discovered a new way to control the flow of water through the secondary mouth of the river.
科学家发现了一种新的方法来控制河流通过次级开口的流量。