每次用完洗发剂后都要用清水将头发冲洗几次。After shampooing, always rinse the hair several times in clear water.到这时,他的存款已全部用完.By this time he had used up all his savings.他已用完最后一滴油.He has used up the last ounce of oil....

“用完”的英语可以翻译为：finish，run out，use up，[经] exhaust，go through ...