热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

air purification

音標[e?(r) ?pj??r?f??ke???n]
air purification是什么意思、air purification怎么讀

air purification漢語翻譯

空氣凈化

air purification例句

  1. The new air purification system significantly improved the indoor air quality.
    新的空氣凈化系統(tǒng)顯著改善了室內(nèi)空氣質(zhì)量。
  2. Air purification is essential for people with allergies to reduce their exposure to allergens.
    對于過敏體質(zhì)的人來說,空氣凈化是減少接觸過敏原的關(guān)鍵。
0
糾錯