seventieth
	英 ['sevəntɪɪθ]
美['sɛvntɪɪθ]
	    
	
    - num. 第七十
 
- adj. 第七十的;七十分之一的
 
- n. 第七十;七十分之一
 
    
	 
    实用场景例句
	
	- They congratulated him on his seventieth birthday.
 - 他们祝贺他的七十寿辰.
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- They changed and said it would come when the skin reached the seventieth floor.
 - 他们只好改口说,要等大楼外墙建到70楼,才会出现干扰.
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