大动脉

大动脉 [dà dòng mài]

1. ■ {生理}（主动脉） main artery; aorta

2. ■ （比喻主要交通干线） the artery of communications:

南北交通的大动脉 the main artery of communications between north and south

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常用词组

1. ■ 大动脉炎 aorto-arteritis;

2. ■ 大动脉综合症 aortic syndrome