感觉系统对陌生的环境可能经过长时期才能适应。The sensory system may undergo long-term adaptation in alien environments.在极长时期内停留在变种阶段.They may endure as varieties for very long periods.感觉系统对陌生的环境可能经过长时期才能适应.The sensory system may also undergo l...
荨麻长有四方茎和细小茸毛。The stinging nettle has a square stem and little hairs.整株植物都覆盖着细茸毛。The whole plant is covered with fine down.棉花在植株上作为附着在种籽上的长茸毛在棉铃里生长发育.The cotton grows on the plant as long hairs attached to the seeds insid...