食道的后端是嗉囊.At the posterior end of the oesophagus is the crop.结果表明, 嗉囊、腺胃和肌胃内食糜pH随 日龄逐渐增加,而小肠内食糜pH随 日龄变化不大.Chyme pH in crop, proventriculus and gizzard increase gradually with age....
He calls it a "contraption", using his favourite word of the moment.他用了眼下他最喜欢说的“玩意儿”一词来称呼它。Does this contraption work?这个奇妙的玩意儿能用 吗 ?a Heath Robinson contraption复杂而不实用的装置...a strange contraption called the General Gordon ...