右曲球是一种带有带顺时针旋转，然后向右弯曲的击球。
A slice is a curving shot from left to right with severe side spin.
右曲球是一种带有相当于顺时钟旋转导致剧烈向右弯曲的击球。
A slice is a curving shot from left to right with severe side spin.
文中详细论述了结肠左、右曲的位置和结肠各部的走行变化及其年龄特征。
The positions of the right and left colic flexures, the course of all parts of the colon and the age characters of the colon were discussed.
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