pacifier

名词 pacifier:

1. someone who tries to bring peace
   同义词：conciliator, make-peace, peacemaker, reconciler
2. device used for an infant to suck or bite on
   同义词：comforter, baby's dummy, teething ring

pac.i.fi.er

n.（名词）
A rubber or plastic nipple or teething ring for a baby to suck or chew on.
橡皮奶头：婴儿吮吸或咀嚼的橡皮或塑料奶头或橡皮环