act as

• Our atmosphere acts as an efficient trap .
  我们的大气就像一个有用的大容器。
• The phosphate also acts as a binder .
  磷矿还起胶结剂的作用。
• I volunteered to act as chauffeur .
  我自愿充当汽车司机。
• He acted as if he were smoking .
  他的动作好象是在抽烟。
• I am not so fond of acting as i was at first .
  我对演戏已没有起初那么大的兴趣了。
• Impulse acts as a message sent through a neuron .
  冲动相当于通过神经元传送的信息。
• A trained dog can act as a guide to a blind person .
  经过训练的狗能担任盲人的向导。
• Ormond believes himself licensed to act as he pleases .
  奥蒙德相信自己有权为所欲为。
• Haldeman's staff acted as an extension of haldeman .
  霍尔德曼的工作人员都是他的耳目。
• Will you act as witness to the agreement between us ?
  您作我们协议签署时的见证人行吗？