B : Yes. By the way do you often surf the Net?是的,顺便问一下,你经常上网 吗 ?I sometimes get up at three or four in the morning and I surf the net.“我有时候早上三或四点起床,在网上冲浪. ”...surf rolling onto white sand beaches.涌上白色沙滩的激浪Holidaymakers c...
胆绞痛的疼痛有时出现在上腹.The pain of biliary colic is occasionally in the epigastrium.绞痛. 可表现出剧烈胆绞痛,伴恶心、呕吐.Colic. There may be severe biliary colic with nausea and vomiting....
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.胃的蠕动将食物与处于胃壁上的胃腺分泌的消化及盐酸混合,由此形成的食糜被推送入小肠.Peristalsis mixes food with enzymes and hydrochloric acid fro...