Development - (biology) the process of somebody organism increasing organically; a purely biological unfolding of events linked to an organism shifting progressively from a simple to a far more sophisticated level; "he proposed an indicator of osseous development in small children" 18The cost of property in town is prohibitive.城市的房地产价格令人望而却步。《牛津词典》 psychomotor https://xiaopingn914yly2.wikipresses.com/user