粵典 (words.hk)香港詞反饋#圓形 嘅#圓周 同#直徑 嘅比率，係一個常數，約莫等於3.14 (π; pi; the ratio of a circle's circumference to its diameter)名詞
粵典 (words.hk)香港詞反饋粵拼:jyun4 zau1 leot2#圓形 嘅#圓周 同#直徑 嘅比率，係一個常數，約莫等於3.14 (π; pi; the ratio of a circle's circumference to its diameter)名詞