递减

dìjiǎn

递减 — dìjiǎn

1. progressively decreasing; gradually falling; in descending order

   随着年龄的增长，人的反应速度会递减。 suízhe niánlíng de zēngzhǎng rén de fǎnyìngsùdù huì dìjiǎn — As people age, their reaction speed progressively decreases.