obligatory
                                                    英 [ə'blɪgət(ə)rɪ]
                                                                        美 [ə'blɪɡətɔri]
                        
                
                
                
                
                    
                                    
                
                                                                                        obligatory 中文词源
                
                
                    obligatory 强制的来自oblige,强迫,迫使。引申词义强制的。
                 
                                                obligatory 英文词源
                
                
                    
                        - obligatory (adj.)
- c. 1400, from Old French obligatoire "creating an obligation, obligatory," and directly from Late Latin obligatorius "binding," from obligat-, past participle stem of obligare (see oblige).
 
                
                                                    obligatory 双语例句
                
                
                    1. His lips curved up in the obligatory smile, acknowledging the compliment.  他嘴边礼节性地挤出一个微笑,以示对称赞致谢。 来自柯林斯例句
 - 2. 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。
来自柯林斯例句
 
- 3. She was wearing the obligatory sweater and pearl necklace. 
- 她穿着那件经常穿的毛衣,戴着那串惯常戴的珍珠项链。
来自柯林斯例句
 
- 4. It is obligatory for all employees to wear protective clothing. 
- 所有员工必须穿防护服装。
来自《权威词典》
 
- 5. It is obligatory on every citizen to safeguard our great motherland. 
- 保卫我们伟大的祖国是每一个公民应尽的义务.
来自《简明英汉词典》