palm up

常见例句

She raised her head and nonchalantly extended her hand, the palm up.
她抬起头，若无其事的摊开手掌，掌心向上。
Always watch the hands. Palm up gestures indicate submission, palm down gestures indicate power.
注意看手。手心向上的姿势代表了屈服，手心向下的姿势代表着强硬。
A traditional method of greeting, especially in the country side, is for the younger person to hold their arms out, palm up, and grasp the older person just in front of the elbow.
蒙古国的年轻人，尤其是在农村地区，有一种传统的问候方式：伸出手臂，手掌向上，抓住年长的人的肘的前部。年长的人也做同样的姿势，唯一不同是手掌向下。

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