赤ん坊は口を開けた。
Sentence Analyzer
English Translation
        The baby opened his mouth.
    
Furigana
Romanji
        Akanbō wa kuchi o aketa.
    
Words
            
                赤ん坊
            
            
                (あかんぼう、あかんぼ)
            
        
        
            baby; infant
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                口
            
            
                (くち)
            
        
        
            mouth; opening; hole; gap; orifice; mouth (of a bottle); spout; nozzle; mouthpiece; gate; door; entrance; exit; speaking; speech; talk (i.e. gossip); taste; palate; mouth (to feed); opening (i.e. vacancy); available position; invitation; summons; kind; sort; type; opening (i.e. beginning); counter for mouthfuls, shares (of money), and swords
        
    
            
                を
            
            
                (を)
            
        
        
            indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
        
    
            
                開ける
            
            
                (はだける)
            
        
        
            to open; to bare; to expose; to stretch