rep.e.tend

n.（名詞）
A word, sound, or phrase that is repeated; a refrain.
疊句：重復(fù)的詞語(yǔ)、聲音或短語(yǔ)；重復(fù)句
Mathematics The digit or group of digits that repeats infinitely in a repeating decimal.
【數(shù)學(xué)】 循環(huán)節(jié)：在循環(huán)小數(shù)中無(wú)限重復(fù)的數(shù)節(jié)或一組數(shù)節(jié)

來(lái)源：
From Latin repetendum [neuter gerundive of] repetere [to repeat] * see repeat
源自 拉丁語(yǔ) repetendum [] repetere的中性動(dòng)形詞 [重復(fù)] *參見(jiàn) repeat