whet hair 隐藏摘要 
磨毛
The teeth of a saw side in the glasses cloth眼镜布中的锯齿边
whet hair磨毛
回答者:
http://cc.shu.edu.tw/~cte/gallery/ccli/attachment/ppt_freshman_guardian_june_2006_final.ppt - 基于1个网页
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