玛丽娅说她给爸爸、妈妈带来了一样特别的东西，一样他们肯定会喜欢的东西，然后她开始寻找她的葡萄干蛋糕。

Maria said she had brought something special for papa and mamma, something they would be sure to like, and she began to look for her plumcake.

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但是，我们中的很多人都非常享受和自己所爱的人在一起。如果对某件事有特别的兴趣，我们的精力会集中得像一束激光，干几个小时都不厌倦。

However, many of us find great joy in our loved ones, and we can focus like a laser beam on our special interests for hours on end.

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富含色氨酸包括：牛奶，蛋类，肉类，坚果，豆类，鱼，芝士，干酪，瑞士格里尔干奶酪，尤其是瑞士芝士色氨酸含量特别高。

Foods high in tryptophan include: Milk, eggs, meat, nuts, beans, fish, and cheese. Cheddar, Gruyere, and Swiss cheese are particularly rich in tryptophan.

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