serf

n.

农奴，奴隶；像农奴般遭受奴役的人；

复数：serfs

1. Many serfs were forced to work hard.
   许多农奴被迫拼命工作。
2. The serfs were liberated after abolishing serfdom.
   废除农奴制度后，农奴们获得了解放。
3. The cruel serf-owner put out the serf's eyes.
   残忍的农奴主挖掉了农奴的眼睛。

From Serf to Russian Soldier
Serf-organized motion in anisotropic swarms
Serf and turf:crowdturfing for fun and profit
SERF: integrating human recommendations with search
SERF: schema evolution through an extensible, re-usable and flexible framework
Immune serf-reactivity triggered by drug-modified HLA-peptide repertoire
OQL_SERF: an ODMG implementation of the template-based schema evolution framework
OQL_SERF: an ODMG implementation of the template-based schema evolution framework
Identification of MOAG-4/SERF as a regulator of age-related proteotoxicity
PT-INR serf-management permits lower anticoagulation levels after mechanical valve replacement