Oral contraceptives are readily available.口服避孕药容易得到.Some barrier contraceptives also help to protect against sexually transmitted infections.有些屏障避孕还有助于预防性传播疾病.Continuous Oral Contraceptives: Are Bleeding Patterns Depende...

n.避孕药，避孕用具( contraceptive的名词复数 )...

contraceptives的音标：contraceptives的英式发音音标为：[kɒntrə'septɪvz]contraceptives的美式发音音标为：[kɒntrə'septɪvz]...

Oral contraceptives are readily available.口服避孕药容易得到....oral contraceptives...口服避孕药Continuous Oral Contraceptives: Are Bleeding Patterns Dependent on the Hormones Given?连续口服避孕药: 出血模式是否依赖于服用的激素?Some barrier contraceptives ...