滑滑板时带护肘和护膝是必要的.Elbow pads and knee pads are essential on a skateboard.不要在路上玩滑板或溜冰.Don't skateboard or roller skate on the road..滑板由操作台控制.The sledge was steered from a platform....
His best friend was killed by police under extremely questionable circumstances.他最好的朋友在极其可疑的情况下被警察打死了。Circumstances dictated that they played a defensive rather than attacking game.比赛形势决定了他们要打防守战而不是进攻战。In the circumstanc...
Objective To evaluate the bio compatibility of isobutyl - chitosan as a material.目的:评价异 丁基 壳聚糖作为生物材料的安全性.Conclusion The isobutyl - chitosan multifunctional dressing has a good bio - safety as a wound dressing.结论异 丁基 壳聚糖多...
Such was the ideal; the occasional conflicts were due to human imperfection.这样的分工是完美的, 偶尔的冲突是人类的缺点所致.The imperfection of language makes some ideas hard to express.语言功能的不完善使一些思想难于表达.The noble science of Geology loses glor...