When you feel stressed out, you can also try to sit up straight or stand tall.

当你感到压力大的时候，你也可以试着坐直或站直。

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"It's not enough to just sit up straight if your core muscles are weak," said Dr. Praveen Mummaneni.

普拉文·莫曼奈尼博士说：“如果你的核心肌群比较虚弱，那么仅仅坐直是不够的。”

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Sit up straight. Don't slump!

坐直了，别垂头丧气的。

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Se?or, just sit up straight as much as possible.

在座位上尽量坐直身体。

哈佛公开课 - 幸福课课程节选

Look the interviewer in the eye, smile, sit up straight and respect personal space.

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Out of nearly fifty pieces, two in particular made me sit up straight.

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Just like they told you for your school photo, sit up straight, wet your lips and lean forward just a bit.

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