parabolic mirror
短语抛物柱面（反射）镜
释义与例句
n.
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1.
A curved mirror with a reflecting surface that forms part of a paraboloid (as opposed to, for example, a sphere)
抛物柱面（反射）镜
A curved mirror with a reflecting surface that forms part of a paraboloid (as opposed to, for example, a sphere)