避孕方法大全科普
避孕(Contraception)是应用科学手段使妇女暂时不受孕。 主要控制生殖过程中的三个环节:1.抑制精子与卵子产生;2.阻止精子与卵子结合;3.使子宫环境不利于精子获能、生存,或者不适宜受精卵着床和发育。免費玩避孕方法大全科普 APP玩免費免費玩避孕方法大全科普 App避孕方法大全科普 APP...
避孕(Contraception)是应用科学手段使妇女暂时不受孕。 主要控制生殖过程中的三个环节:1.抑制精子与卵子产生;2.阻止精子与卵子结合;3.使子宫环境不利于精子获能、生存,或者不适宜受精卵着床和发育。免費玩避孕方法大全科普 APP玩免費免費玩避孕方法大全科普 App避孕方法大全科普 APP...
Contraceptive ring is an application designed for women who use the vaginal ring (NuvaRing) and want to take complete control.It is configurable for r...
Contraceptive pill is an application designed for women who take the pill and want to take complete control.It is configurable for reminding you daily...
Enter the world of global business English!Our Business Conversation eLessons have been designed for all business people and those wishing to learn ho...
Enter the world of global business English!Our Business Conversation eLessons have been designed for all business people and those wishing to learn ho...
Japan moves via railways, on a busy network of main lines and busy local lines. This application includes 76 artworks, photographed at 16 different lo...
The Telephone Basics tutorial is the first part of Telephone Communication Skills e-Learning series. These tutorials provide to learn how to use the b...
Discover the newest attractions, create your own personalised ‘Show Plan’ and navigate your way around the Sydney Royal Easter Show.Interactive featur...
This application contains beautiful images of horse from around the word and by the leading photographers. You have never seen a collection like this....
The Sydney Rogers app is to be used in conjunction with the Sydney Rogers "SyRo Tote" hand bag. Once you have purchased your physical bag, the app act...