海草を食べたのは初めてです。
Sentence Analyzer
English Translation
        This is the first time I've had seaweed.
    
Furigana
Romanji
        Kaisō o tabeta no wa hajimete desu.
    
Words
            
                海草
            
            
                (かいそう、うみくさ、うみぐさ)
            
        
        
            marine plant; seagrass; seaweed
        
    
            
                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.
        
    
            
                食べる
            
            
                (たべる)
            
        
        
            to eat; to live on (e.g. a salary); to live off; to subsist on
        
    
            
                の
            
            
                (の)
            
        
        
            indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                初めて
            
            
                (はじめて)
            
        
        
            for the first time; only after ... is it ...; only when ... do you ...
        
    
            
                です
            
            
                (です)
            
        
        
            be; is