1、limbic brain region responded strongly to negative or sad sounds, but did not differentiate between neutral and happy sounds.───大脑边缘的区域对于消极的、悲伤的声音回应的更加强烈，但是中性的和开心的声音所做出的回应是不同的。
2、It is impossible to know if an unborn baby can feel happy or sad, but a new study conducted in London has found a baby can distinguish pain from 35 weeks.───我们无法知道胎儿是否有快乐或者悲伤的感觉，但是在伦敦做的一项新研究发现，小宝宝从第35周就能够识别痛感了。
3、i am not only happy but sad.───我不只快乐，我还伤心。
4、She was happy that her brothers had found a good home but felt sad, too, because she was beginning to miss them already.───她很开心她的双胞胎兄弟能够找到一个很好的归宿，然而，她又很想他们，不由有点伤心了。
happy but sad（意思翻译）
快乐但悲伤
happy but sad（相似词语短语）
1、tired but happy───累但快乐
2、but happy───但是很高兴
3、sad───adj.难过的；悲哀的，令人悲痛的；凄惨的，阴郁的（形容颜色）
4、but still very sad───但还是很难过
5、sad but cool───悲伤但冷静
6、sad but true───悲伤但真实
7、but but───但是
8、sad and sad───悲伤和悲伤
9、he was happy but───他很高兴但是
happy but sad（双语使用场景）
1、limbic brain region responded strongly to negative or sad sounds, but did not differentiate between neutral and happy sounds.───大脑边缘的区域对于消极的、悲伤的声音回应的更加强烈，但是中性的和开心的声音所做出的回应是不同的。
2、It is impossible to know if an unborn baby can feel happy or sad, but a new study conducted in London has found a baby can distinguish pain from 35 weeks.───我们无法知道胎儿是否有快乐或者悲伤的感觉，但是在伦敦做的一项新研究发现，小宝宝从第35周就能够识别痛感了。
3、i am not only happy but sad.───我不只快乐，我还伤心。
4、She was happy that her brothers had found a good home but felt sad, too, because she was beginning to miss them already.───她很开心她的双胞胎兄弟能够找到一个很好的归宿，然而，她又很想他们，不由有点伤心了。