boundary

US /ˈbaʊndəri, -dri/

UK /'baʊndrɪ/

B1 中級
n.名詞境界
The train route follows the boundary of the city
n.名詞(競技場の)境界線
The ball went over the boundary for a six.
n.名詞(抽象的な)限界
The research pushes the boundaries of scientific knowledge.

動画字幕