biradial stylus椭圆形唱针
biradial symmetry[生物] 双辐对称;或两侧辐射对称;两辐射对称;辐对称
optic biradial副光轴;光线轴
biradial horns双径向式号筒
biradial cleavage二辐射裂
optic c biradial副光轴
"some sea anemones are biradial"
ADJ（形容词） showing both bilateral and radial symmetry, as certain sea anemones 两边辐射对称的