- 口(mouth; opening)
- 向(face toward; face outward)
A mouth opening forward like a window of a house looking outward.
radial (direction)
A radial force is a force perpendicular to the axis.
radial (direction)
A radial force is a force perpendicular to the axis.
A mouth opening forward like a window of a house looking outward.
A mouth opening forward like a window of a house looking outward.
radial (direction)
radial (direction)
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