请输入您要查询的英文单词：
单词
compulsory and optional
释义
compulsory
n
—
义务
n
•
免费
n
•
必修
n
•
强制性
n
compulsory
—
强制
•
必须
so and so
—
云云
optional
—
任择
adj
•
可选的
adj
•
选配
adj
•
选购
adj
•
自选
compulsory
adj
—
强迫
adj
and
conj
—
和
conj
•
及
conj
•
并
conj
•
以及
conj
•
而
conj
•
与
conj
•
且
conj
•
及其
conj
•
而且
conj
•
载
conj
•
暨
conj
so-and-so
—
某某
option
n
—
方案
n
•
选择
n
•
选修课
n
•
购买权
n
•
选择权
n
•
可选择的事物
n
option
—
选择
•
期权
随便看
they are complaining
they are complementary
they are completed
they are completely different
they are composed of
they are computed
they are concealed
they are concerned
they are confident
they are confidential
they are confident that
they are confronted with
they are confused
they are connected
they are connecting
they are considered
they are considering
they are consistent
they are consuming
they are content
they are continuing
they are contracted
they are convenient
they are convinced
they are copied
英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2025/8/23 17:46:54