发育不全的under development
经济技术开发区economic and technological development zone
生长发育growth and development
躯干到四肢的发展proximodistal development
【经】 最近发展recent development
胚胎发育embryonic development
靠扩大财政赤字搞建设increase the deficit to spend more on development
平硐溜井开拓drift-orepass development【矿】