1. 退火的：淬火 quenching | 退火的 softened | 玻璃分相 phase separation in glasses

2. 退火的,软化的：退火annealing, | 退火的,软化的softened, | 软化退火,软化(处理)softening,

3. 软化：softend 开口端 活动端 | softened 软化 | softeneddentine 软化牙本质

adj

1. being or made softer or less loud or clear

e.g. the dull boom of distant breaking waves
muffled drums
the muffled noises of the street
muted trumpets

Synonym: dullmuffledmuted

2. toned down