这种疼痛是由于血管的收缩而引起的。The pain is produced by constriction of the blood vessels.血管的突然破裂往往会造成外伤的痕迹.The rupture of a blood vessel usually cause the mark of a bruise.血管的排列有无数的变异.There are innumerable variations in the arrangemen...

“血管的”的英语可以翻译为：haemal，hemal，[医] angeial，hematal，vasal ...