periods

US

UK

A1 初級
n. pl.名詞 (複數)時期
She had several different study periods on her timetable
n. pl.名詞 (複數)句點
You forgot to put some periods at the end of the sentences
n. pl.名詞 (複數)經期;月經
Having irregular periods can be a sign of illness in a woman
n. pl.名詞 (複數)期間
All of the class periods are 40 minutes long

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