ladder spur

基本解释

• [琯理學]梯子防滑塊

英汉例句

權威例句

• Chris Vien, the mayor's senior technology adviser, says they believe Internet access will spur economic growth and help low-income citizens move up the ladder.
  NPR: San Francisco Weighs Wi-Fi Plans

• ladder spur更多例句

词组短语

短語

• ladder r spur 梯子防滑塊

• ladder spur更多词组

专业释义

琯理學

• 梯子防滑塊