red day

短语

un. 棕粘土 [网络] 红日；红色情人节；好运日

词形变化

red days 复数 red days

释义与例句

n.
  1. 1.

    A day during which a woman is menstruating.

    委婉

词源

Allusion to the colour of blood.

来源：wiktionary