人体显微照片：当精子遇上卵子

2. 头发受损处 Split end of human hair


头发受损处 Split end of human hair

Regular trimmings to your hair and good conditioner should help to prevent this unsightly picture of a split end of a human hair.
经常修剪和良好的护理，可避免像这张图片上出现发梢分叉的现象。