neuter

adj.

中性的，不及物的，（生物）无性的；

n.

中性名词，无性动物，阉割动物；

1. Some languages sexualize all nouns and do not have a neuter gender.
   在有些语言中，所有的名词都分为阴性和阳性，没有中性名词。

1. There are three genders in German: masculine, feminine and neuter.
   德语中有三性: 阳性、 阴性和中性。

1. It's really important to spay or neuter your pets.
   为你的宠物实施切除卵巢或阉割手术非常重要。

Effects of breed, sex, and neuter status on trainability in dogs
Trap/neuter/release methods ineffective in controlling domestic cat "colonies"on public lands
Analysis of the impact of trap-neuter-return programs on populations of feral cats.
"Destroy the scum, and then neuter their families:"The web forum as a vehicle for community discourse?
Characteristics of free-roaming cats evaluated in a trap-neuter-return program.
Evaluation of the effect of a long-term trap-neuter-return and adoption program on a free-roaming cat population
Critical Assessment of Claims Regarding Management of Feral Cats by Trap-Neuter-Return
Population characteristics of feral cats admitted to seven trap-neuter-return programs in the United States
Developmental Pathways and Polyethism of Neuter Castes in the Processional Nasute Termite Hospitalitermes medioflavus (Isoptera: Ter...
Use of matrix population models to estimate the efficacy of euthanasia versus trap-neuter-return for management of free-roaming cats.