obligatory例句
There was all the usual humbug and
obligatory compliments from ministers.
全都是些部长们常说的骗人鬼话和少不了的奉承恭维。
It is
obligatory for all employees to wear protective clothing.
所有员工必须穿防护服装。
Most women will be offered an ultrasound scan during pregnancy, although it's not
obligatory.
大多数处于妊娠期的妇女将被建议接受超声波检查，不过这不是强制性的。