暗榫通常為一圓釘，緊扣在相應的眼里以固定或校正相似的兩片
A usually round pin that fits tightly into a corresponding hole to fasten or align two adjacent pieces.
（天球的）回歸線(xiàn)代表太陽(yáng)經(jīng)過(guò)的最北視界線(xiàn)與最南視界線(xiàn)的兩條相應的天球緯線(xiàn)
Either of two corresponding parallels of celestial latitude that are the limits of the apparent northern and southern passages of the sun.
變性特定的組織、細胞或器官隨著(zhù)受傷、疾病或年老而導致的相應的功能的削弱或喪失，而形成的逐漸的變質(zhì)
Gradual deterioration of specific tissues, cells, or organs with corresponding impairment or loss of function, caused by injury, disease, or aging.
