moods of the syllogism

例句：

1. 1. She was feeling downhearted after the bad news.
   在那个坏消息之后，她感到心灰意冷。
2. 2. His moods can change quickly, depending on what he's thinking.
   他的情绪变化很快，这取决于他在想什么。
3. 3. The moods of the people in the room were changing as they talked.
   随着他们交谈，房间里的人们的情绪在变化。