Poor: Heavy accumulation of dirt, grease, mold, or other foreign material on any surface.
Poor: Heavy accumulation of dirt, grease, mold, or other foreign material on any surface.
差：许多表面都有积灰、或油脂、或长霉、或有其他异物。
Poor: Heavy accumulation of dirt, grease, mold, or other foreign material on any surface.
差：许多表面都有积灰、或油脂、或长霉、或有其他异物。