to assign a later date or time to something in relation to a specific point of reference
日付を後に設定する, 後日付を付ける
referring to something that happens, is published, or is awarded after the death of the person to whom it relates
死後の, 死後
brief additional note added to the end of a letter or document, usually after the signature, often containing information that the writer forgot to include
追伸, P.S.
behaving without shame or fear and refusing to follow traditional rules or manners
厚かましい, ずうずうしい
a big metal container for burning coal or charcoal to keep people warm outdoors
焚き火台, ブレイザー
the scientific study of fish including their biology, behavior, classification etc.
魚類学, 魚の科学
a sea creature from the Mesozoic era with fins and paddle-shaped limbs, similar to a dolphin
イクチオサウルス
to add different elements, making something more diverse in how it looks or what it includes
多様化する, バリエーションを加える
a sea creature with a hard shell and jointed legs such as crabs and lobsters
甲殻類
having a tough shell or outer layer, or seem like something with a hard outer covering
甲殻のある, 硬い外殻の