circular layer of muscular tunic of colon结肠: colon; large intesting; col- ...肌: muscle; flesh膜: membrane环: ring; hoop层: I storey; tier; stratum下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:结肠肌膜环层，即可在微信中查询翻译
