attainv.实现;获得;达到
attain a development得到发展
attainable precision可达到的精密度
attain one's purpose
attain a civilization达到文明
attain one's majority可达到的标准
attainable resolution可达清晰度
attain to height a of达到 ... 的高度
attain to distinction出名
attain a thickness of达到 ... 厚度
attain one's ambition实现抱负