词汇“free of cost”的中英文读音、翻译、用法及例句

词汇	free of cost
正文
释义	free of cost 主要翻译 free of cost adj (not requiring payment)免费的Anti-pollution measures are never free of cost.
随便看	engineering mathematics engine hatchway engineering for dams engine plant operating in closed cycle engine net power engineering for nuclear fuel reprocessing engine net weight engine plant (power plant) engine hourmeter engineering measurement engineer station engineering for power engine plant with magnetohydrodynamic generator engine house engineering time engineering measures engineer's transit engineering roadblock engine room emergency bilge suction valve engine room crane engine plough engineering tyre engineering measures of soil and water conservation engine-house engineerings