暗榫通常为一圆钉，紧扣在相应的眼里以固定或校正相似的两片
A usually round pin that fits tightly into a corresponding hole to fasten or align two adjacent pieces.
（天球的）回归线代表太阳经过的最北视界线与最南视界线的两条相应的天球纬线
Either of two corresponding parallels of celestial latitude that are the limits of the apparent northern and southern passages of the sun.
变性特定的组织、细胞或器官随着受伤、疾病或年老而导致的相应的功能的削弱或丧失，而形成的逐渐的变质
Gradual deterioration of specific tissues, cells, or organs with corresponding impairment or loss of function, caused by injury, disease, or aging.
