extrinsic stain

 
  • 外源性染色

extrinsic stain的用法和样例:

例句

  1. Clinical Evaluation on Extrinsic Stain Removal of Colgate Whitening Dentifrice -Eight-Week Clinical Study in China.
    美白牙膏去除牙齿外源性色斑的临床效果观察
  2. Objective To observe the effect of dental polished surface about extrinsic stain redeposition after ultrasonic scaling and sandblasting respectively.
    目的:观察超声洁治及喷砂法去除色素后,牙齿表面抛光对牙外源性色素再沉着的影响。
  3. He vainly tried to mark the defacing stain out.
    他试图除去有损外观的污迹,但没有成功。
  4. I put the shirt in soapy water to soak out the stain.
    我将衬衫浸在肥皂水里以去除污渍。
  5. I scrubbed hard at the stain to see if I could get it off.
    我使劲擦这个污迹,看能不能将它去掉。
  6. I am afraid you must wash out this stain.
    恐怕你必须洗掉这个污渍。

extrinsic stain的相关资料:

临近单词

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