milestones

US

UK

A1 初級
n. pl.名詞 (複數)里程碑
This film was a milestone in the history of cinema

影片字幕

青春期。心理學速成班#20 (Adolescence: Crash Course Psychology #20)

10:15青春期。心理學速成班#20 (Adolescence: Crash Course Psychology #20)