tuna/ˈtju:nə; ?@ ˈtu:nə; `tunə/ n(pl unchanged or ~s 复数或不变或作tunas)(a) (also tunny) [C]large sea-fish, eaten as food 金枪鱼（大海鱼, 可食）.(b) (also `tuna-fish) [U]its flesh as food （食用的）金枪鱼肉.
牛津英汉双解词典