opisometer
opisthbranch opisthodome opisthoglypha opisthognathous opisthograph opisthotic opium opium den opium-eater opium joint opiumism opodeldoc opophilous opossum opp oppidan oppilate oppilation opponency opponens opponent opportune opportunely opportuneness opportunism opportunist opportunistic opportunity Opportunity cost |
opisometer /,ɔpi'sɔmitə/
danh từ
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