A usually round pin that fits tightly into a corresponding hole to fasten or align two adjacent pieces.
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
Our company should align ourselves with theirs.
我们的公司必须与他们的公司合作。
Could you align this table with those?
你能把这张桌子同那些桌子排成一行吗?