| 单词 | 里层 |
| 释义 | 〔diploe〕The spongy, porous, bony tissue between the hard outer and inner bone layers of the cranium.板障骨：颅骨骨盘坚硬外层与里层之间的海绵状的骨质组织〔winze〕An inclined or vertical shaft or passage between levels in a mine.小暗井：矿井里层与层之间倾斜的或垂直的竖坑或通道〔lining〕A covering or coating for an inside surface:衬里：里层的衬或罩： |
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