| 单词 | firstborn | 
| 释义 | firstborn (fɜrstbɔrn) singular noun [oft N n] Someone's firstborn is their first child.  She was my firstborn.  firstborn in American English (ˈfɜrstˌbɔrn; ˈfɜrstˈbɔrn)  adjective 1.    born first in a family; oldest  noun 2.    the firstborn child  Examples of 'firstborn' in a sentence | 
	
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