lighter-than-air

英['laɪtərð'æn'eər] 美['laɪtərð'æn'eər]
  • adj.比空气轻的
  • lighter n.打火机,点火器;点火者,点灯者;驳船v.用驳船运,驳运adj.light的形容词/副词比较级
  • spark vi.闪烁;冒火花;热情回应vt.激发;引起;向...求爱n.火星;朝气;情人;俗丽的年轻人
Adjective:
  1. relating to a balloon or other aircraft that flies because it weighs less than the air it displaces

    用作形容词 (adj.)
    1. Hydrogen is much lighter than air.
      氢比空气轻得多。