required
大学
FREQ #3799
a. 必需的
发音
US
/ɹɪˈkwaɪɹd/
UK
/ɹɪˈkwaɪəd/
词形变化
more required
比较级
most required
最高级
别名
req'd
reqd
reqd.
教材释义与例句
动词
需要（require的过去式及过去分词形式）；要求
形容词
必需的；（美）必修的
释义与例句
v.
-
1.
simple past and past participle of require
adj.
-
1.
Necessary; obligatory; mandatory.
required course
legally required
Attendance at the meeting is required.
He completed the required reading before class.