unpatented

动词 v. 形容词 adj.
中文释义

英文释义

动词 v.
  1. simple past and past participle of unpatent form-of,participle,past
形容词 adj.
  1. Not patented. not-comparable
    — Developed with financing from wealthy countries and private foundations, the New Rices for Africa, or Nericas, are unpatented and may be grown by anyone.

词源

From un- + patented.
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