external nostril外鼻孔
false nostril伪怀孕;假鼻孔
narrow nostril鼻孔过小
contralateral nostril对侧鼻孔
nostril symptom翻译
nostril sores鼻孔生疮
true nostril真鼻孔;鼻孔
N-COUNT（可数名词） Your nostrils are the two openings at the end of your nose. 鼻孔
Keeping your mouth closed, breathe in through your nostrils.
把嘴闭着，用鼻孔吸气。