英语语法分析

Six wethers of Inner Mongolia crossbred sheep fitted with Permanent cannulae into the rumen and duodenum were used.

选用六只装有永久性瘤胃和十二指肠瘤管的成年半细毛羊进行试验。

The effect of selective vagotomy of the abomasum, pylorus, duodenum and liver on insulin release during the cephalic phase of digestion was investigated in wethers and lactating ewes.

研究了阉羊和母羊选择性皱胃、幽门、十二指肠和肝迷走神经切断术对消化头期的胰岛素分泌的影响。