放出

• Then a strange light came suddenly into his old eyes .
  这时它的老眼突然放出奇异的光芒。
• The factory does not give off any poisonous exhaust gases .
  这家工厂并不放出任何有毒的废气。
• The faces of both sister suddenly lit up with amusement .
  姐妹俩快活起来，脸上一下子放出光彩。
• He let slip the bloodhounds .
  他放出猎犬。
• The guard loosed the dogs when the burglar alarm went off .
  防盗警报器一响，警卫就放出了警犬。
• They look at each other with eyes softly aglow .
  他们互相注视着对方，两人的眼睛都放出温柔的光芒。
• The three men talked quietly for a moment, then freed the dogs .
  三个人静静地谈了一下子，然后把狗放出去。
• If plastic and rubber are burnt , they 'll give off poisonous gases .
  塑料和橡胶燃烧，就会放出有毒的气体。
• They react with many metals to form a salt and give off hydrogen .
  它们能和许多金属起反应，生成盐并放出氢。