It occurs because blood flow gets reduced in that bloodvessel.
它的发生是因为血管中的血流量减少了。
2
He chose that finger because it was thought that the bloodvessel in that finger went directly to the heart.
他选择了那个手指是因为人们认为那个手指上的血管直接通向心脏。
3
Silk tubes, made by dipping a wax mold in aqueous silk solution, have a number of tissue engineering applications like bloodvessel grafts and nerve guides.