中文词 · Chinese word
真空
zhēn kōng — (physics) vacuum; (fig.) vacuum; (slang) to not wear underwear
HSK 3.0 L7, HSK newest L7 · study the lists
中文词 · Chinese word
zhēn kōng — (physics) vacuum; (fig.) vacuum; (slang) to not wear underwear
HSK 3.0 L7, HSK newest L7 · study the lists