单词	定步速者
释义	定步速者 a pace setter
随便看	photochromic effect photochromic fiber photochromic fibre photochromic film photo chromic film photochromic filter photochromic, filter photochromic functional composite photochromicglass photochromic glass photochromic, glass photo chromic glass photochromic glasses photochromic glaze photochromic lens photochromic lens blank photochromic lens,photosensitive lens photochromic material photochromic materials photochromic mechanism photochromic membrane photochromic microfilm photochromic microimage photochromic micro image photo chromic micro image