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...
He emptied a few overflowing ashtrays.他将几只满满的烟灰缸倒干净。In coastal villages these shells are commonly seen being used as ashtrays for cheroots and cigars.在沿海的村子里,经常可以看到这些贝壳被用做雪茄的烟灰缸.His office was a disaster area of papers a...