形容词
中文翻译：Unknown
同义词：
['mandatory', 'compulsory', 'essential例句：1. The governmenthas made it obligatory for allcitizens to register their vote.（政府已经规定所有公民必须登记投票。）2. The companyis obliged to provide asafe working environment for its employees.（公司有义务为其员工提供一个安全的工作环境。）']
例句：
-
1. 必须的；义务的2. 强制性的；义务性的3. 必要的；必需的同义词：mandatory, compulsory, essential例句：1. The governmenthas made it obligatory for allcitizens to register their vote.
政府已经规定所有公民必须登记投票。
-
2. The companyis obliged to provide asafe working environment for its employees.
公司有义务为其员工提供一个安全的工作环境。
-
3.It's essential that we finish theproject on time.
我们按时完成这个项目是至关重要的。