“血管的”造句

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 arrangement of blood vessels.

• #血管的