1. His face was covered with grime.
    他的脸上满是污垢。

1. 尘垢：grime 污浊 | grime 尘垢 | grimesmut 煤尘

2. 污浊：grime 使污秽 | grime 污浊 | grime 尘垢

3. 使污秽：grimalkin 老猫 | grime 使污秽 | grime 污浊

1. 污垢；尘垢
    Grime is dirt which has collected on the surface of something.

    e.g. Kelly got the grime off his hands before rejoining her in the kitchen.
           凯利洗去手上的污垢，又回到厨房来帮她的忙。

1. the state of being covered with unclean things

    Synonym: dirtfilthsoilstaingreasegrunge

1. make soiled, filthy, or dirty

    e.g. don''t soil your clothes when you play outside!

    Synonym: dirtysoilbegrimecollybemire