emit /ɪˈmɪt/ CET4 TEM4 ( emitting, emitted, emits )

• 1. 

  V-T If something emits heat, light, gas, or a smell, it produces it and sends it out by means of a physical or chemical process. 发出; 散发 (热、光、气体或气味) [正式]

  例：

  The new device emits a powerful circular column of light.

  这个新装置发出一束强烈的环形光柱。

• 2. 

  V-T To emit a sound or noise means to produce it. 发出 (声音或噪音) [正式]

  例：

  Whitney blinked and emitted a long, low whistle.

  惠特尼眨了眨眼，吹出了一声长而低沉的口哨。