unpollute

未污染

词形变化

unpolluted unpollutes 三单 unpollutes unpolluting unpolluting 现在分词 unpolluted 过去式 unpolluted 过去分词

释义与例句

v.
  1. 1.

    To remove pollutants from; to purify.

    及物

词源

From un- + pollute.

来源：wiktionary