direct one's libidinous urges into another direction
同义词：desexualise
make infertile
同义词：sterilizesterilisedesexunsexdesexualisefix
英汉双解大词典
desexualize(alsodesexualise)
1.
V（动词）
to deprive of sexual characteristics by the surgical removal of the testicles or ovaries; castrate or spay 使无性能力; 阉割或切除卵巢 (Often shortened to desex)