麻豆精品在线久草熟女|色情一区二区三区|国产一级片国产特级片|亚州特级黄片在线免费观看|中文人妻少妇有码Av|日逼黄色毛片久久精品久久日|欧美黄色短片网站|无码在线资源黄色免费看视频|日韩无码1区2区3区|亚洲夜色在线五月天激情影院

單詞乎

vacua

音標(biāo)['vækjuə]
vacua是什么意思、vacua怎么讀

vacua漢語(yǔ)翻譯

n. 真空, 真空狀態(tài), 真空度, 空洞, 真空裝置, 真空吸塵器, 空虛

vacua英語(yǔ)解釋

名詞 vacuum:

  1. the absence of matter
    同義詞:vacuum, vacuity
  2. an empty area or space
    同義詞:void, vacancy, emptiness, vacuum
  3. a region that is devoid of matter
    同義詞:vacuum, vacuity
  4. an electrical home appliance that cleans by suction
    同義詞:vacuum, vacuum cleaner
0
糾錯(cuò)