Some larvae extend the galleries to form niches.许多幼虫将坑道延伸扩大成壁龛.In his view differences in adaptation are insufficient to create niches commensurate in number and kind.按照他的观点,适应的差异不足以在数量上和种类上形成同量的小生境.Species occupying the...
Volatility is an intrinsic characteristic of the security market.波动性是证券市场的一项内在特征....a shrubby plant with a strong characteristic fragrance.散发出一种浓郁的独特香味的灌木The later period of karst corrosion deposit experienced lateritiza...