tindextroffer./trof-er, traw-fer/US // ˈtrɒf ər, ˈtrɔ fər //缓冲器,缓冲区,缓冲装置,缓冲垫Definitionsn.noun · 名词1.›a trough-shaped reflector holding one or more fluorescent lamps.Level 2More words in t →