大家都搜：
同心层
1、choppy layers───层层叠叠
2、concentric circles───[数]同心圆
3、inversion layers───[海洋][气象]逆温层；反转层
4、concentric reducer───同心大小头；同心异径管；同心大小头，大小头
5、successive layers───连续层
6、concentric zone───[体]同心区
7、concentric definition───同心定义
8、layers───n.图层面板，图层集合；层面板（layer复数形式）
9、in layers───成层
1、Like the CORE of earth, the mantle can also be divided into two concentric layers, the lower mantle and the upper mantle.───就像地球的核部一样。地幔也可分为两个同心圆圈层，下地幔和上地幔。
2、Like trees, stalagmites are often composed of concentric layers that represent annual growth periods.───同树木一样，石笋通常也有能显示其年生长周期的年轮。
3、Peripheral nerves are surrounded by an external sheath, which contains concentric layers of thin perineurial cells.───周围神经周围的外部护套，其中载同心层薄膜膜细胞。
4、He has learned to live out loud mostly by trial and error and has come up with his own theory: concentric layers of sharing.───他在尝试和失败交替的实践中学会了这种“坦白无私”的生活，并形成了自己的理论：按同心圈不同程度地分享个人信息。
5、Like the CORE of earth, the mantle can also be divided into two concentric layers, the lower mantle and the upper mantle.───像地球的核部一样。地幔也可分为两个同心圆圈层，下地幔和上地幔。
6、Simply flanking the piezoelectric layer with thin concentric layers of metal would not work because metals tend to have a low viscosity.───简单地将薄中心金属层置于压电层侧面不能奏效，因为金属的黏性很低。
1、Like the CORE of earth, the mantle can also be divided into two concentric layers, the lower mantle and the upper mantle.