pillar box

n.

邮筒；

复数：pillar boxes

British Postal Museum & Archive
Pillaring of Magadiite with Silicate Species
Innovation, the pillar of development
Using Box-Muller with Low Discrepancy Points
Using Box-Muller with Low Discrepancy Points
BI-AXIAL TENSILE STRAINED GE CHANNEL FOR CMOS
Pillarbox
PillarBox: Combating Next-Generation Malware with Fast Forward-Secure Logging
PillarBox: Combating Next-Generation Malware with Fast Forward-Secure Logging
PillarBox: Combating Next-Generation Malware with Fast Forward-Secure Logging