drop in on

v.

顺道拜访；

CaPS Grad Drop-In Cancelled on Feb 19, 2016
Listen to Pure Dropin' Cloudcast by Danny Deepo / Tweek on Mixcloud. It's free and really easy to use.
Significant drop in FakeAV
Abrupt drop in Symbian malware
Viscous Marangoni migration of a drop in a Poiseuille flow at low surface P茅clet numbers
Retention in gas chromatography when there is a large pressure drop in different sections of a coupled column
Experimental study of laminar forced convective mass transfer and pressure drop in microtubes
The effect of the accommodation coefficient on the evaporation of a water drop in a radiation field
Pension funds suffer 4% drop in value in 1994
Drop-in center for persons living with HIV/AIDS program on AIDS, Chulalongkorn Hospital.