在《PONS词典》中的词汇
nu·tri·tion·al [nju:ˈtrɪʃənəl, 美 esp nu:ˈ-] 形
I. niche [ni:ʃ, 美 esp nɪtʃ] 名词
2. niche:
有关生物学的词语(Klett)
nutritional niche [njuːˈtrɪʃnlˌniːʃ], feeding niche, feeding-niche 名词
| I | niche | 
|---|---|
| you | niche | 
| he/she/it | niches | 
| we | niche | 
| you | niche | 
| they | niche | 
| I | niched | 
|---|---|
| you | niched | 
| he/she/it | niched | 
| we | niched | 
| you | niched | 
| they | niched | 
| I | have | niched | 
|---|---|---|
| you | have | niched | 
| he/she/it | has | niched | 
| we | have | niched | 
| you | have | niched | 
| they | have | niched | 
| I | had | niched | 
|---|---|---|
| you | had | niched | 
| he/she/it | had | niched | 
| we | had | niched | 
| you | had | niched | 
| they | had | niched | 
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