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...對于更為多樣的有效避孕方法的需求It was at that time she started taking the contraceptive pill.她就是從那個時候開始服用避孕藥的。
N-COUNT
避孕用具;避孕藥物
A contraceptive is a device or drug that prevents a woman from becoming pregnant.
例句
...oral contraceptives...口服避孕藥The service covers contraceptive advice and health checks, and is available free.服務項目包括避孕建議和健康檢查，并且免費提供。