1. While osteoporosis can strike at any age, over half of all women over age sixty-five have it.2. Osteoporosis is a serious disorder that can lead to broken bones and even shorter life. Therefore, you should take enough calcium in your daily diet.
osteoporosisosteoporosis = 骨質酥鬆症
Today's basketball game is a shodown between Heat and Thunder.下一題 - 陷入 f我要發問