主动脉弓
/ɑːkˈeɪd/
n
English: arch of aorta · 主动脉弓
释义：Second segment of the aorta, which branches into the arteries flowing to the head and upper limbs; with the ascending aorta, it forms the arch of the aorta. heart
English: arch of aorta · 主动脉弓