mandatory
                                                    英 ['mændət(ə)rɪ]
                                                                        美 ['mændətɔri]
                        
                
                
                
                    
                        - adj. 强制的;托管的;命令的
- n. 受托者(等于mandatary)
 
                
                    
                                    
                
                                                                                        mandatory 中文词源
                
                
                    mandatory 强制的,法定的来自mandate,命令。即命令的,引申词义强制的,法定的。
                 
                                                mandatory 英文词源
                
                
                    
                        - mandatory (adj.)
- 1570s, "of the nature of a mandate," from Late Latin mandatorius "pertaining to a mandator," from Latin mandatus, past participle of mandare (see mandate (n.)). Sense of "obligatory because commanded" is from 1818.
 
                
                                                    mandatory 双语例句
                
                
                    1. In a case of premeditated murder a life sentence is mandatory.  蓄意杀人依法要判无期徒刑。 来自柯林斯例句
 - 2. It is mandatory for blood banks to test all donated blood for the virus. 
- 血库必须检查所有捐献的血是否含有这种病毒。
来自《权威词典》
 
- 3. Is the appointment of worker - directors to be mandatory? 
- 工人董事的任命是不是强制性的?
来自《简明英汉词典》
 
- 4. Attendance is mandatory. 
- 务必参加。
来自辞典例句
 
- 5. Attendance at the meeting is mandatory. 
- 出席会议是必要的
来自辞典例句