circularKK [ˋsɝkjəlɚ] /ˈsɝkjəlɚ/發音circul 圓、環繞+-ar 形容詞→圓的、環繞的展開收合circul字根圓、環繞-ar字尾形容詞字面：圓的、環繞的形容詞1圓形的、圓的They sat around a large circular table in the meeting room.他們圍坐在會議室裡一張大圓桌旁。2環形的、繞圈的Stir the paint slowly with a circular motion.以繞圈的方式慢慢攪拌油漆。3循環的、循環論證的His explanation is circular and proves nothing at all.他的解釋是循環論證，根本什麼都證明不了。名詞1傳單、廣告單A stack of circulars had piled up inside the mailbox.信箱裡堆了一疊廣告傳單。2通函、通知函正式The ministry sent a circular to all local schools last week.該部會上週向所有地方學校發出通函。