水すい中ちゅう生せい物ぶつ観かん察さつ

noun

aquatic life survey; underwater biological observation

Refers to systematic observation or survey of aquatic organisms, often in scientific, educational, or environmental contexts.

• 環かん境きょう調ちょう査さの一いっ環かんとして水すい中ちゅう生せい物ぶつ観かん察さつを行おこなった。

  We conducted an aquatic life survey as part of the environmental study.

• 子こ供どもたちは川かわで水すい中ちゅう生せい物ぶつ観かん察さつを楽たのしんだ。

  The children enjoyed observing underwater life in the river.