runner

英 /ˈrʌnə(r)/米 /ˈrʌnər/

意味

noun

ランナー；走者

a person or an animal that runs, especially one taking part in a race

“a long-distance/cross-country/marathon runner”

TED / YouTube の精読レッスンを見て、単語をタップ、間隔反復で復習。