elective
US /ɪˈlek.tɪv/
UK /ɪˈlek.tɪv/

名词
1.
选修课, 选修科目
an optional course of study in a college or university
示例:
•
I chose photography as my elective this semester.
我这学期选择了摄影作为我的选修课。
•
Students must complete two core courses and one elective.
学生必须完成两门核心课程和一门选修课。
形容词
1.
选举的, 民选的
chosen by election
示例:
•
The new president is an elective official.
新总统是民选官员。
•
The position is elective, not appointed.
这个职位是选举产生的,而不是任命的。
2.
择期, 非紧急的
(of a medical procedure) chosen by the patient or physician and not essential for immediate treatment
示例:
•
She underwent an elective surgery to improve her vision.
她接受了择期手术以改善视力。
•
The doctor recommended an elective procedure for her chronic pain.
医生建议她进行择期手术以治疗慢性疼痛。
在 Lingoland 学习这个单词