同义词比较checked luggage和registered luggage有什么不同?

同义词比较checked luggage和registered luggage有什么不同? checked luggage是什么意思 求助英语翻译“how many pieces of checked-in luggage“谢谢! claire had her luggage checked an hour before heclaire had her luggage checked an hour before her plane left 啥意思啊 luggage customs officers had my luggage （ ） carefully at the airport.A:being checkedB:checked C:checkingD:to be checked Claire had her luggage checked before her plane left中主句为什么不用过去完成时 checked luggage cart luggage是什么意思 亮点 同义词“亮点”的同义词,比较官方、正式的词 兴趣缺缺的同义词要比较文雅的同义词 not checked checked是什么 托福checked checked leehom的checked out 同义词, BAGS LUGGAGE 中文是什么?