As word
1yang3
calcium oxide, CaO/(slang) (used as a substitute for 肏 [cao4], since CaO resembles cào) 2hua4
calcium oxide, CaO/(slang) (used as a substitute for 肏 [cao4], since CaO resembles cào) 3gai4
calcium oxide, CaO/(slang) (used as a substitute for 肏 [cao4], since CaO resembles cào)