The rats used in the tunnel scene were specially-trained and colored with a dark, charcoal-like substance to give them the appearance of wild, dirty tunnel rats.
地铁隧道场景中动用的老鼠都是经过特殊训练的，它们全身涂满了类似于煤炭的深色物质，以让它们看起来像是野生肮脏、生活在隧道里的老鼠。
As one of these components, friction modifier plays an important function for removing the dirt and colored substance attached to the surface of tooth.
磨擦剂作为牙膏的组分之一，在其中起着重要的作用，它能有效的除去附着在牙齿表面的污垢和有色物质。
Visually enchanting, Mirror Mirror is an example of style over substance, of the use of brightly colored costumes and fantastical sets to distract viewers rather than enhance the story.
《白雪公主之魔镜魔镜》视觉上养眼，形式盖过了内容。 影片使用了大量色彩鲜艳的服装和奇幻的摄影布景，非但没有给故事本身增色添彩，反倒转移了观影者的注意力。
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