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词汇	bilateral symmetry
释义	bilateral symmetryn.（名词）bilateral symmetry Symmetrical arrangement, as of an organism or a body part, along a central axis, so that the body is divided into equivalent right and left halves by only one plane.两侧对称：沿一条中轴身体被一平面分为左右同等的两部分的对称排列，如有机体或身体部分
随便看	frapping frappé frappéed frappéing frappés fraps Fras Fraser Fraser fir Fraser River frass frasses frat fraternal fraternals fraternise fraterniser fraternities fraternity fraternize fraternized fraternizes fraternizing fratricide fratricides

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