vt.

1. 接收（外國僑民等）入籍，使歸化[H]
   He became naturalized after living in the United States for ten years.

   他在美國生活了十年之後加入了美國籍。

2. 使適應異域生長環境，將……移植[H]
3. 採納（外國語言、風俗習慣等），吸收[H]
   This French word has become naturalized in English.

   這一法文字已被英文採納。

4. 使自然化，使不落俗套

vi.

1. 加入國籍，歸化；順化
2. 被採納，被吸收
3. 研究自然

v.

1. admit (a foreigner) to the citizenship of a country.
   ▸alter (an adopted foreign word) so that it conforms more closely to the phonology or orthography of the adopting language.
2. [usu. as adj. naturalized] Biology  establish (a plant or animal) so that it lives wild in a region where it is not indigenous.
3. regard as or cause to appear natural.
   ▸explain (a phenomenon) in a naturalistic way.