真空
vacuum;situation characterized by emptiness
二次大戰(zhàn)后，歐洲與亞洲出現(xiàn)了許多～。Vacuums appeared in Europe and Asia after World War Ⅱ./總統(tǒng)的死留下政治～。The President’s death left a political vacuum./填補(bǔ)～fill a vacuum/權(quán)力～power vacuum/完全～perfect vacuum/～包裝vacuum packing/～地帶no man’s land/～吸塵器vacuum cleaner