提示：点击例句中的单词，就可以看到词义解释

Indeed , two iridium layers have been found in some places .

确实，有些地方发现了有两个铱层。

It 's made of five layers and has two main functions .

它由五层结构组成，具有两种主要功能。

This is the tendency of seawater to separate into layers , because fresh water is lighter than salt and cold water heavier than warm .

这是一种海水分层的趋势，因为新鲜水比又咸又冷的水轻，而又比温暖的水重。

It is formed of alternating layers of aluminium oxide and sodium ions .

钠β-氧化铝是由氧化铝和钠离子的交替层组成。

Or do we end up with a new experience in which the spatial and information layers are equally important ?

又或者我们将会得到一种新的体验，在这里空间层和信息层变得同等重要？