平衡是指物体相对地球处于的状态

平衡是指物体相对地球处于的状态

平衡是指物体相对地球处于的状态

静止或匀速直线运动

3.It’s the _______ of the paintings, however, as much as their great antiquity, that makes them so surprising.

答:quality

平衡是指物体相对地球处于的状态

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