niche: n.1.壁龛〔搁雕像、花瓶等的墙壁凹处〕；【地质学；地理学】雪凹。2.(适合个人性格、能力等的)适当地位，活动范围；【生物学】小生境。3.(市场供求情势为企业家提拱的)有利可图的缺口。短语和例子deserve a niche in the temple of fame 可以流芳百世。 find the right niche for oneself 适得其所；为自己谋得合适
Example Sentences:
1.
Niches analysis of three aphid populations on spring sowing maize 三种玉米蚜虫种群的生态位分析
