This is the 5940th most frequent Japanese word.
ゆうせい
"ゆうせい" (優勢) means "superiority" or "predominance."
In this sentence, 'ゆうせい' refers to a concept or term within an educational context, perhaps relating to priority or supremacy in a scientific domain.
ゆうせいは、科学の授業で重要な概念のひとつです。
Yūsei is one of the important concepts in science class.
Here, 'ゆうせい' is used to imply a leading or dominant idea or aspect within the technological sphere.
彼の新しいアイディアが技術の世界でゆうせいを示しています。
His new idea demonstrates supremacy in the world of technology.
In this example, 'ゆうせい' describes the quality of being strategically superior, highlighting dominance in approach or planning.