乳にゅう間かん

noun

cleavage; décolletage

Refers to the space or valley between a woman's breasts. A straightforward anatomical term, often used in fashion or descriptive contexts.

• 彼かの女じょは深ふかい乳にゅう間かんを見みせるドレスを着きていた。

  She wore a dress that showed deep cleavage.