round window

The youths had nothing to do so they went round breaking windows just for the hell of it.

这些年轻人无所事事，到处砸窗户取乐。

Peak concentrations and gradients for gentamicin aried considerably between animals, likely resulting from ariations in round window membrane permeability and rates of perilymph flow.

庆大霉素峰值浓度和浓度梯度在动物之间差异相当大，这可能是由圆窗膜通透性不同和外淋巴液流动率不同所导致。