基础体温介绍何谓基础体温(Basal Body Temperature, BBT):清晨刚睡醒,体温尚未因运动饮食或心情影响所测出的体温.基础体温的原理女性月经L期以月经见红第一天为L期的开始,L期的长短因人而异,约为21-35天不等,平均约为28天,其中又以排卵日为分隔,分为排卵前的滤泡期,与排卵 …
***** Best Elementary APP Awards 2011 for our First and Second Grade apps ***** http://bestappever.com/awards/2011/winner/eled Smart Kids: Third Grade …
This reading comprehension app has twenty stories about social studies. You can also create and add your own stories to the app.Each story has about 5 …