opera
opera-ballet opera-cloak opera-glasses opera-hat opera-house operability operable operand operant operate operated operatic Operating gearing Operating income Operating profit operating-room operating-system operating-table operating-theatre operation operation-analysis operation-research operational operationalism operationalist operations research operations room operatise operative |
opera /'ɔpərə/
danh từ, số nhiều của opusdanh từ
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