海水浴

1. Origins, structure, and basic meaning

• Structure: 海水浴 (かいすいよく) combines seawater 海水 and bathing 浴 to denote recreational swimming or bathing in the sea.
• Basic usage: It is a summer activity that may be stopped when waves become unsafe.

2. Common pitfalls and similar expressions

• A seaside activity, not washing with seawater
  • 海水浴 refers to entering the sea for recreation, rather than using seawater as an ordinary washing substance.