单词	增加一倍
释义	增加一倍 double
随便看	the polar express The Polar Express the polarity of a magnet the polarity selector the polarization intensity The polarization varied effect the polarized UV-vis the polar regions the polar route to London the polar wastes the polder regions the Pole the pole-axis system theory The pole fell The pole fell,pinning the man to the ground The pole fell, pinning the man to the ground The pole is twenty meters in length the pole jump the pole placement the Poles the Pole Star the pole vault the police The police The police accused him