Sit in a relaxed upright posture.

保持放松、直立的坐姿。

柯林斯例句

An upright posture in bed also aids lung expansion.

以直立姿势躺在床上也有助于肺部舒展.

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Only humans have a natural upright posture.

只有人类才有自然直立的姿势.

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Yet their upright posture, distinctivepelvis and other toes suggest they walked easily enough.

不过它们直立的身体姿态 、 特殊的骨盆和其他脚趾表明它们行走已经很轻松了.

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For best results, keep upright posture so that your body and mind are well balanced.

为取得最佳效果, 冥想时最好保持直立姿势,这样你的身体和思想都可以保持平衡.

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