The photosynthetic pigment in bacteria is bacteriochlorophyll.细菌光合作用的色素是细菌叶绿素.Bacteriochlorophyll Any of several types of chlorophyll found in photosynthetic bacteria, such as the purple bacteria.细菌叶绿素:在光能合成细菌如紫细菌中发现的几种类...
骑公牛总是放牧人竞技会上激动人心的表演.Riding bulls is always an exciting event at a rodeo.这就是他们过去经常放牧的地方.This is the place where they used to pasture.将庄稼和放牧区分开绝对必要。It was absolutely essential to separate crops from the areas that animals ...