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- He seemed very downcast at the news. 那消息似乎使他非常难过。
- downcast ventilator 吸气通风筒
- An unhappy life made her downcast. 不愉快的生活使她沮丧。
- A life of failure had made her downcast. 失败的生活使她沮丧。
- The little girl kept her eyes downcast when the headmaster talked to her. 校长同小女孩谈话时,她一双眼睛始终低垂著。
- A life of failure has made her downcast . 失败的生活使她沮丧。
- Mr. Pan had been downcast for the last few days. 这几天潘先生无聊极了。
- A group of downcast men stood waiting for food. 一群人垂头丧气地站在那儿等着吃饭。
- Maybe the ventilator is the problem. 可能问题出在通风装置上。
- He pretended to be very downcast. 他故意做出失望的样子说。
- After three days she was taken off the ventilator. 三天之后给她摘掉了呼吸器。
- His expression was downcast, dark, unhappy. 他垂头丧气，脸色阴沉，怏怏不乐。
- He was breathing only with the aid of a ventilator. 他只有靠呼吸器呼吸。
- No wonder that on media island they are downcast. 无怪他们在媒体市场上心灰意冷。
- The inverter reconstyunction of mine ventilator. 矿用通风机的变频改造。
- 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。
- Remove rocker arm cover and ventilator hose (A). 卸开摇臂杆盖和通风管（A）。
- A life of failure have make her downcast. 失败的生活使她沮丧。
- The design of this ventilator is very new. 这个排风扇的式样很新颖。
- Ashamed of his mistake,he stood with downcast eyes. 羞于他的错误，他眼睛垂视地站着。
