笛

羌笛

qiāng dí

Qiang flute

警笛

jǐng dí

siren

长笛

cháng dí

(Western) concert flute

陶笛

táo dí

ocarina (musical instrument)

风笛

fēng dí

bagpipes

鸣笛

míng dí

to hoot

哨笛

shào dí

a whistle

木笛

mù dí

recorder (musical instrument) (Tw)

汽笛

qì dí

steam whistle

直笛

zhí dí

(Tw) recorder (musical instrument)

笛卡儿

dí kǎ ér

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

笛卡儿坐标制

dí kǎ ér zuò biāo zhì

Cartesian coordinate system