O姿势是一个双臂环绕的大圆，就像发o音时嘴唇的样子一样。
The gesture for o is a large rounding of the arms, mirroring the rounding of the lips.
高轮廓的音盆环绕设备采用丁基橡胶以允许更大偏差，因而产生更大输出。
The tall profile cone surrounds are of butyl rubber to allow greater excursion, and therefore higher output.
高轮廓的音盆环绕设备采用丁基橡胶以允许更大偏差，因而产生更大输出。
The tall profile cone surrounds are of butyl rubber to allow greater excursion, and therefore higher output.
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