Ke̍k-khianFrom Wikipedia, the free encyclopedia Ke̍k-khian (極圈; Eng-bûn: polar circle) sī lâm-pak-hūi ê 66.5° hūi-soàⁿ. Che sī chi̍t phiⁿ kap tē-lí-ha̍k siong-koan ê phí-á-kiáⁿ. Chhiáⁿ tàu khok-chhiong. Ke̍k-khian
Ke̍k-khian (極圈; Eng-bûn: polar circle) sī lâm-pak-hūi ê 66.5° hūi-soàⁿ. Che sī chi̍t phiⁿ kap tē-lí-ha̍k siong-koan ê phí-á-kiáⁿ. Chhiáⁿ tàu khok-chhiong. Ke̍k-khian