[only before noun] happening at the beginning; first最初的；初步的；开始的；第一的◆an initial payment of €75 and ten instalments of €3075 欧元的首期付款加 10 次 30 欧元的分期付款◆The initial estimate for the project was ¥12 bn.对这项工程的初步估计是 120 亿日元。