如果你喝得太多的话，咖啡会加剧神经过敏，并引起心跳加速、双手发抖。

If you drink too much it can increase nervousness, and cause rapid heartbeat and trembling hands.

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4-8岁的孩子通常会得到一些心理描述的指引。 “当你觉得害怕时，你的心跳会加速，你可能会觉得不舒服。”

Young children, usually 4- to 8-year-olds, learn to recognize physiological cues, such as “when you feel afraid, your heart beats faster and you might feel uncomfortable,” says Gueldner.

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无可否认，咖啡不一定适合每个人。如果你喝得太多的话，咖啡会加剧神经过敏，并引起心跳加速、双手发抖。

There is no denying that coffee is not for everyone. If you drink too much it can increase nervousness, and cause rapid heartbeat and trembling hands.

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Of course, more generally, you get excited, your heart goes pitter-pat, when your girlfriend or boyfriend says they love you.

当然,更常见的情况下,在你的爱人说爱你的时候,你会很激动,心跳加速

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