gradual; piecemeal

1. 人員耗損，減縮人員指逐漸的、正常的成員或人員的減少，如退休、辭職或死亡
   A gradual, natural reduction in membership or personnel, as through retirement, resignation, or death.
2. 變性特定的組織、細胞或器官隨著受傷、疾病或年老而導(dǎo)致的相應(yīng)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.

逐漸的英語翻譯：