A contraceptive method or device is a method or a device which a woman uses to prevent herself from becoming pregnant.
例句
...a demand for a greater choice of effective contraceptive methods...对于更为多样的有效避孕方法的需求It was at that time she started taking the contraceptive pill.她就是从那个时候开始服用避孕药的。
N-COUNT
避孕用具;避孕药物
A contraceptive is a device or drug that prevents a woman from becoming pregnant.
例句
...oral contraceptives...口服避孕药The service covers contraceptive advice and health checks, and is available free.服务项目包括避孕建议和健康检查，并且免费提供。