Foods and fluids are mixed in the stomach by its muscular contractions.通过胃部肌肉的收缩食物和流质在胃中混合。He may suddenly take a dislike to foods that he's previously enjoyed.对以前爱吃的食物，他兴许突然就没了胃口。It is always important to choose en...
他们的发现可能预示着为某些类型的阳痿找到了医治方法。Their discovery could herald a cure for some forms of impotence.她在此刻出现预示着一场灾难。Her appearance at this moment is an omen of disaster.夏普的腿和肩膀开始疼痛，这预示着肯定要下雨了。Sharpe'sleg and shoulder began to a...
Both drugs slow the progression of HIV, but neither cures the disease.这两种药物都可以延缓艾滋病病情发展，但是都不能治愈这种疾病。There's a time lag between infection with HIV and developing AIDS.从感染艾滋病病毒到病发有一段滞后期。All donated blood is screened f...