Zhè / běn / xìng / jiào / yù / jiào / cái / jiè / shào / le / nǚ / shàng / wèi / de / jī / běn / zī / shì / hé / zhù / yì / shì / xiàng。这本性教育教材介绍了女上位的基本姿势和注意事项。This sex education textbook introduces the basic position and precautions of the woman-on-top position.