常見例句A person who cleans and polishes shoes for a living.擦鞋匠以擦鞋和上光鞋為生的人The filter cleans the fuel before it enters the engine.在燃料進入發(fā)動機之前，過濾器先把它過濾。A power-operated harvesting machine that cuts, threshes, and cleans grain.聯(lián)合收割機一種動力操作切割、脫粒和打場的收割機器 返回 cleans