资料来源 : pyDict

容易的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Blow-off \Blow"-off`\, n.
   1. A blowing off steam, water, etc.; -- Also, adj. as, a
      blow-off cock or pipe.

   2. An outburst of temper or excitement. [Colloq.]