si·moom /səˈmum, saɪ-/
  阿拉伯地方挾帶飛砂的熱風
  Si·moom Si·moon n.  A hot, dry, suffocating, dust-laden wind, that blows occasionally in Arabia, Syria, and neighboring countries, generated by the extreme heat of the parched deserts or sandy plains.
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  simoom
       n : a violent hot sand-laden wind on the deserts of Arabia and
           North Africa [syn: simoon, samiel]