He did not allow this normal passage.
他没有让这个正常通行。
A cataract is a cloudy area in the lens of the eye that blocks the normal passage of light through the eye.
白内障是指眼内晶状体的浑浊区域阻碍了光线正常进入眼内。
Diarrhoea is defined as the passage of three or more loose or liquid stools per day (or more frequent passage than is normal for the individual).
腹泻系指每天排泻三次以上稀便或水样大便,或者比个人正常排便次数更频。
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