like: dư âm
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
dư âm * ☊ 
echo * ☊
[ dư ] : surplus, excess, leftover, extra, spare
[ âm ] : (1) sound; (2) lunar; (3) Yin, female, negative, minus; (4) reading (of a Chinese character)