unaided的解释a.未受协助的unaided的例句Thebabycannotsitunaidedshehastobeproppeduponpillows.那婴儿还不会坐--得让她倚著枕头才行.Anopticalinstr umentthatusesalensoracombinationoflensestoproducemagnifiedimagesofsmallobjects,especiallyofobjectstoosmalltobeseenbytheunaidedeye.显微镜用一个透镜或一些透镜的组合来制造小物体的放大形像的视力工具，通常用来观察肉眼看不到的物体
