The sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.

交感肾上腺系统不能维持直立位的脑灌注压。

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B. Human height is conditioned by the upright posture.

人类身高由于直立行走的姿势决定的。

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Try to maintain an upright posture while sitting or walking.

在坐着或走路时脖子保持直立

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But when the researchers asked college students and children to draw a T. rex, most gave it an upright posture instead.

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He had already shifted the center of gravity closer to the rear wheel, but it became imperative that the Swift encourage an upright posture.

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Clearly separated from the tourist costume of T-shirts, baseball caps and running shoes, a local aristocratic lady also dressed in black, with a gold-handled onyx cane, good jewelry and noble upright posture, entered her apartment building.

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