碘离子在层间的扩散作用可以用隔层加以控制.The migration of iodide ion between layers is controlled by barrier interlayers.隔层是空的, 只有光溜溜的石头.The floor of the compartment was bare, smooth stone.可用于电压器的覆盖和隔层不导电用途.Insulation on transformer cover a...
They were caught up in a whirling vortex of emotion.他们陷入了感情旋涡。When marriages break down children are swept into the vortex of their parents' embittered emotions.当婚姻破裂时，孩子们也被卷进父母感情日益恶化的漩涡中。There are many vortex patte...
Badaling Great Wall stretches for 4.8 km along rolling mountains and has 19 strategically located watchtowers.八达岭长城沿着起伏的山脉连绵480公里,共有19个敌楼.The fence is strategically sited to prevent anyone getting onto the beach.这个围栏的地点选...