笛 dek⁶ {dí}

flute

笛膜 dek⁶ mok² {dí mó}

membrane which covers a hole in a flute and produces a buzzing tone

笛子 dek⁶ zi² {dí zi}

1. bamboo flute
2. CL: 管

笛卡兒〔--儿〕 dek⁶ kaa¹ ji⁴ {Dí kǎ ér}

René Descartes (1596-1650), French philosopher and author of Discours de la méthode 方法論

笛卡爾〔--尔〕 dek⁶ kaa¹ ji⁵ {Dí kǎ ěr}

René Descartes (1596-1650) French philosopher

笛沙格 dek⁶ saa¹ gaak³ {Dí shā gé}

Girard Desargues (1591-1661), French geometer

笛卡兒座標制〔--儿坐标-〕 dek⁶ kaa¹ ji⁴ zo⁶ biu¹ zai³ {Dí kǎ ér zuò biāo zhì}

Cartesian coordinate system