双语例句
The doctor will then use the needle to thread the pacemaker wires into a vein and to the correct location in your heart.
接着医生会利用针头向静脉内穿入起搏器的导线,最后到达心脏的恰当位置。
n.毛细血管
The doctor will then use the needle to thread the pacemaker wires into a vein and to the correct location in your heart.
接着医生会利用针头向静脉内穿入起搏器的导线,最后到达心脏的恰当位置。