避孕器，避孕用品，节育环；
1. 避孕器：contraceptive 避孕剂 | contraceptive device 避孕器 | contraceptive diaphragm 阴道隔膜,子宫帽
noun
1. an agent or device intended to prevent conception
Synonym: contraceptivepreventivepreventativeprophylactic devicebirth control device
