required
US /rɪˈkwaɪərd/
UK /rɪˈkwaɪərd/
形容词
1.
必需的, 要求的
needed for a particular purpose or as a rule
示例:
•
All required documents must be submitted by Friday.
所有必需文件必须在周五前提交。
•
A valid passport is required for international travel.
国际旅行需要有效护照。
动词
1.
需要, 要求
(past participle of 'require') to need something or to make something necessary
示例:
•
The job required a lot of experience.
这份工作需要很多经验。
•
Safety regulations required all visitors to wear helmets.
安全规定要求所有访客佩戴头盔。
在 Lingoland 学习这个单词