noun 下载 🔗分享 避孕,节育 The use of a device or procedure to prevent conception as a result of sexual activity. Examples : "Many teenagers are now learning about contraception to make informed choices about their health and family planning. " 现在很多青少年正在学习避孕知识,以便在健康和家庭计划方面做出明智的选择。 medicine sex family technology body device biology human 与AI对话词汇游戏阅读练习