Fireflies give off flashes of light when they fly at night.萤火虫夜间飞行时发出闪光.Fireflies sparked in the darkness.萤火虫在黑暗中发光.The stars are not afraid to appear like fireflies.群星不怕显得象萤火那样....
这些可能会在细胞表面和受体分子结合在一起。These may bind to receptor molecules on the surfaces of cells.这种化学物质湮没了突触, 覆盖了5—羟色胺的受体.The chemical floods the synapse, overwhelming the serotonin receptors.在需氧体系中, 氧是末端电子接受体并且被还原.In aerobic systems,...