体内

體內
nèi
  1. within the body
  2. in vivo (vs in vitro)
  3. internal to

CEDICT

  1. (attributive) inside the body; in the body; in vivo
  2. inside the body; in the body; in vivo

Wiktionary

身体内部

維基詞典

Examples

但是,虽说是安全期,但好像也不代表体内射精不会怀孕。

However, it seems that just because it's a 'low risk day' doesn't mean that you won't get pregnant from intravaginal ejaculation.

Source: Tatoeba

Entry Composition

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