dropping

n.

滴下；滴下物；空投；兽粪

v.

（使）落下( drop的现在分词 )；投下；（使）降低；减少

dropping point滴点；掉落点；空投点

1. Constant dropping wears away a stone.
   滴水穿石。

1. You lost your eye to a seagull droppings?
   海鸥粪把你的眼睛弄瞎了?
2. The droppings from the fowls make the ground rich in nitrogen.
   鸟粪使土地含氮丰富。
3. There were bird droppings all over the car parked under the tree.
   停在树下的车上全是鸟粪。

Dropping out of treatment: a critical review
Microring resonator channel dropping filters
Dropping out of High School: The Role of School Organization and Structure
Dropping out of Middle School: A Multilevel Analysis of Students and Schools
Social capital and dropping out of high school: Benefits to at-risk students of teachers' support and guidance.
Ultra-compact Si-SiO2 microring resonator optical channel dropping filters
The Epidemic Theory of Ghettos and Neighborhood Effects on Dropping Out and Teenage Childbearing
Monitoring mRNA expression by polymerase chain reaction: the "primer-dropping"method.
Proportional differentiated services, part II: loss rate differentiation and packet dropping
Parental Involvement as Social Capital: Differential Effectiveness on Science Achievement, Truancy, and Dropping Out