airtight coating

英 美
  • 密封
  • airtight adj.密封的;不透气的;无懈可击的
  • coating 涂层;衣料
    1. Please make the fruit jar airtight.
      请把果酱罐密封。
    2. The life raft was buoyed up by two airtight oil drums.
      那只救生筏是由两只密封的油筒浮起来的。