的意思 compulsory

1. Education is compulsory for all children in most countries.
教育在大多数国家对所有儿童是强制性的。

2. Wearing a seatbelt is compulsory in many states.
在许多州，系安全带是强制的。

3. Attendance at the meeting is compulsory for all employees.
所有员工都必须参加会议。

4. It is compulsory to wear a helmet while riding a motorcycle.
骑摩托车时必须戴头盔。

5. The completion of this form is compulsory before starting the job.
在开始工作之前必须完成这份表格。

6. Taking a foreign language course is compulsory in some high schools.
在一些高中，学习外语是强制性的。