基本解释[經濟學]除荊機英汉例句雙語例句A heavy, driver-operated machine for clearing and grading land, usually having continuous treads and a broad hydraulic blade in front.推土機用來清除和平整土方的重型的，駕駛操作的機器，常有連續的履帶，前部有寬的液壓。land clearing blade更多例句专业释义經濟學除荊機