melt (away) intosth
—phrasal verbwithmeltverbuk/melt/us/melt/
tolooksosimilarto somethingelseall around you, or to be so much apartof it, thatpeopledo notseeornoticeyou
融入…中
Thesecuritymen justmeltedinto thebackgrounduntil they wereneeded.保安人员都躲在不显眼的地方，直到需要他们的时候才会现身。