在湖中游了一会儿泳后,约翰感到精神振奋.John felt refreshed after a quick plunge in the lake.船划到了中游.The boat pulled out into midstream.我们经常把一条河分成三部分:上游 、 中游和下游.We often divide a river into three parts, that is the upper, middle and lower re...
If you wait, all that happens is that you get older.如果你等待，发生的只有变老。If you love life, life will love you back.热爱生活，生活也会厚爱你。If you're not satisfied with the life you're living, don't just complain. Do somethi...
The optimal coagulator and optimal processing conditions are determined by experiments.通过试验选择最佳絮凝剂及其使用的工艺条件.No significant differences were found between use of the bipolar coagulator and Harmonic scalpel.平均肿瘤大小为2.8公分(范围...
Each brick also varies slightly in tone, texture and size.每块砖在色调、质地与大小上也都略有不同。Medical opinion varies on how many tablets it takes to overdose.医生对于服用多少药片算作过量意见不一。Class size varies from one type of institution to another.班...