facultative

美音音标: ['fækəltətɪv] facultative
英音音标: ['fækəltətɪv] result.0.expl|add:"

同义
facultative
词性
a
解释
of or relating to the mental faculties
示例
None

同义
facultative
词性
a
解释
able to exist under more than one set of conditions
示例
a facultative parasite can exist as a parasite or a saprophyte

同义
facultative
词性
s
解释
granting a privilege or permission or power to do or not do something
示例
a facultative enactment

同义
elective facultative
词性
s
解释
not compulsory
示例
elective surgery|an elective course of study