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
The mderator of the meeting is not here yet. Does that mean the meeting will not be happening?下一題 - 酒後肇事 f我要發問