drop-off

英 [ˈdrɒp ɒf]

美 [ˈdrɑːp ɔːf]

下降；降低；减少；陡坡；摘下（离）；剥离；投放；松（脱）落；衰退

复数：drop-offs　

英英释义

noun

a change downward
1. there was a decrease in his temperature as the fever subsided
2. there was a sharp drop-off in sales
Synonym:decreaselessening
a steep high face of rock
1. he stood on a high cliff overlooking the town
2. a steep drop
Synonym:cliffdrop
a noticeable deterioration in performance or quality
1. the team went into a slump
2. a gradual slack in output
3. a drop-off in attendance
4. a falloff in quality
Synonym:slumpslackfallofffalling off