以下为句子列表：
英文: A sample of 1852 middle school students was investigated on 9 morphological traits （hair form,hair point of the forehead,eyefold of the upper eyelid,Mongoliod fold,lobe type,nasal profile,nostril form,front tooth type,chin projection） in Han,Mongol and Ch
中文: 于1998年9月对内蒙古兴安盟3个民族（汉、蒙古、朝鲜族）调查了1852例（男875例，女977例）中学生的9种形态特征（发形、前额发际、上眼睑皱褶、内眦褶、耳垂类型、鼻梁侧面观、鼻孔形状、门齿类型、下颏突出度）.结果显示:（1）3个民族中出现率较高的特征为直发、有内眦褶和铲形齿.（2）上眼睑皱褶、内眦褶、鼻梁侧面观、鼻孔形状、门齿类型在发生上存在一定的民族差异.（3）发形、前额发际、耳垂类型、鼻梁侧面观的出现率男女间差异显.（4）少数形态特征间具有相关关系.
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英文: After blowing your nose, insert the tip of the nasal spray container into your nostril and spray it one or twice.
中文: 擤尽鼻涕后将喷雾瓶的喷头伸入鼻孔内，喷一到两次。
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英文: Breathe in through the right nostril three times, and exhale through the mouth. Repeat with left nostril, exhale through the right.
中文: 以右鼻孔吸气三次，以嘴呼气。换左鼻孔重复，以右鼻孔呼气。
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英文: Continuity: In the scene when Harry is talking to Sirius Black in the fire, Sirius has a large piece of wood below his right nostril in all of the close-up shots.
中文: 连续性：在哈利和小天狼星用炉火交谈的那一幕中，在近景里小天狼星的右鼻孔下有块大木头，而远景里换成了一块小的。
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英文: Diagnostic characters for the recognition of species include the presence or absence of pectoral fin, the position of dorsal fin origin, gill opening, anus, nostril opening and eye, the cirri present or not, the dentition type, the body coloration, and th
中文: 一般依据胸鳍的有无或发达程度，背鳍起点、鳃孔、肛门、鼻孔和眼等的相对位置，颌的发达程度和颌上是否具须，齿的形状和排列方式，身体的斑纹，以及头部和体侧的侧线孔数目等进行鉴别。
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