蜂鸟发现花蜜和花粉是很有营养的.Hummingbirds have discovered that nectar and pollen are very nutritious.昆虫为花的色彩 、 香气和花蜜所吸引.Insects are attracted to flowers by their colour, scent and nectar.花蜜和花粉是很有营养的.Nectar and pollen are very nutriti...
The choroid plexus is composed of loose connective tissue of the pia mater.脉络丝由软脑膜的疏松结缔组织构成.The surgeon cut through connective tissue to expose the bone.外科医生割开结缔组织,让骨头露出来.In tonsil tissue, there are lymphadenosis, more f...