It was strange, how invisible a clerk could feel.一名办事员会感到如此受人忽视，令人觉得不可思议。The invisible trade surplus was £200 million lower than reported.无形贸易盈余比报道所称的少2亿英镑。The container is invisible until you shine an ultraviolet light ...
In some cases of nonspecific enteritis positive reactions were observed.在一些非特异性肠炎病例中,观察到阳性反应.How does office worker treat stomach trouble and chronic enteritis?上班族如何治疗胃病及慢性肠炎?What shall I do? I think I've got enteri...