crystal set

early type of radio set 晶体检波接收机, 矿石收音机（早期的收音机）.

crux, cry, cry down, cry for, cry off, cry out, cry-baby, crybaby, crying, cryogenic, cryogenics, crypt, crypt(o)-, cryptic, cryptically, cryptogam, cryptogram, crystal, crystal ball, crystal clear, crystal-gazing, crystalline, crystallization, -isation, crystallize, crystallize, crystallise, crystallized, -ised, CSE, CSM, CST, ct, cu, cub, cub reporter, cubby-hole, cube, cube root, cubic, cubical, cubicle, cubism,