基本解釋[物理學(xué)]最小功理論英漢例句權(quán)威例句Pork used to mean roads, bridges and ports that, at least in theory, made the economy more productive while providing well-paid work for blue-collar workers.FORBES: A Bailout For Yuppiesleast-work theory更多例句專業(yè)釋義物理學(xué)最小功理論