消化道;
This system is mainly a long tube, called the alimentary canal.
这一系统主要是一根长管, 称作消化道.
Broncho-esophageal tube the alimentary canal of the human body.
支气管食道二用内窥管人体内的消化管道。
纳米英语 · 双语娱乐资讯
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