同心层的英文

concentric lamination

concentric layers

• 同心:    with one heart
• 层:    I storey; tier; st ...
• 同心层结核:    rattle stone

例句与用法

1. As a result , agate is often found as a round nodule , with concentric bands like the rings of a tree trunk
   ，内在有着如同树轮般同心层状的纹带。
2. No gemstone is more creatively striped by nature than agate , chalcedony quartz that forms in concentric layers in a wide variety of colours and textures
   同心层状不规则纹带或缠丝构造的隐晶质块体石英