- downcast
 - ['daunkɑ:st,-kæst]
 - adj. 沮丧的;低垂的;气馁的
n. 倒台;俯视的目光;向下转换 
同义词
           
       参考例子
           - 1.He seemed very downcast at the news.
 - 那消息似乎使他非常难过。
 
- 2.He looked so downcast I took pity on him.
 - 他那十分沮丧的样子令我产生了怜悯。
 
- 3.But God, who comforts the downcast, comforted us by the coming of Titus.
 - 但那安慰丧气之人的神,借着提多来安慰了我们。
 
英文解释
           - n.
 - 1.a ventilation shaft through which air enters a mine
 - 2.directed downward
 - 3.low in spirits
 
网络释义
               - downcast
 - 向下转换; 低落; 气馁的; 锅炉)降水管;
 
- downcast air
 - 进风; 进风井气流; 下行风流; 进风井风流;
 
- Encapsulate Downcast
 - 封装向下转型; 封装"向下转型"动作; 封装“向下转型”动作; 封装[向下转型]动作;
 
- downcast pipe
 - 降水管; 降水管,降流管;
 
- downcast ventilator
 - 下向通风筒; 吸气通风筒;