Noun:

1. the large trunk artery that carries blood from the left ventricle of the heart to branch arteries

APabbr.联合通讯社（=Associated Press）；附加保险费（=additional premium）AOLabbr.美国在线(=American On Line)aortal织脉的,主动脉的aortartia织脉缩窄aortalgia织脉痛aorta hook主动脉钩aortarctia主动脉狭窄aorta ring主动脉环aorta arch主动脉弓aorta clamp主动脉夹钳aorta valve主动脉瓣aorta rings胸主动脉环

1. The aorta is the largest artery in the body.
   主动脉是人体中的最大动脉。