暗榫通常為一圓釘，緊扣在相應的眼裡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）回歸線代表太陽經過的最北視界線與最南視界線的兩條相應的天球緯線
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
Gradual deterioration of specific tissues, cells, or organs with corresponding impairment or loss of function, caused by injury, disease, or aging.
