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qiang ren yan lei deng yu man xing zi sha
Author(s): 
Pages: 30
Year: Issue:  8
Journal: Regimen

Abstract: <正> 一个正常人每年平均要分泌半公升眼泪。从理论上说,规律是每天分泌1毫升半,由每分钟10-15次的眨眼运动把它们分散到角膜上去——每天自动分泌的这种悲伤的微滴,对于保持眼睛的清洁和湿润是必不可少的。一般来说,湿润玻璃体的眼泪,是正常的和必需
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