主干 的英文翻译

trunk

backbone

主干 的中文句子和英文句子

主动脉系统血管的主干道，将血液由心脏左侧输送到除肺部以外的所有肢体及器官的动脉里

The main trunk of the systemic arteries, carrying blood from the left side of the heart to the arteries of all limbs and organs except the lungs.


树一种多年生木质植物，生有一个主干且常有一个很明显的树冠

A perennial woody plant having a main trunk and usually a distinct crown.