1.pertain to 有关，涉及，适合，符合
例句：However, this technology does pertain to a different target audience of decision makers.
然而，这项技术却很适合决策者的不同对象。

2.phone bill 电话单
例句：The phone bill this month is huge!
这个月的电话账单吓死人了!

3.phone book 电话号码簿
例句：What color is your phone book?
你的电话簿是什么颜色的？

4.photo album 影集
例句：My mom has kept this old photo album for a long time.
我妈妈把这个旧相册保留了很久。

5.physical activity 体育活动
例句：You should join more physical activities in your spare time.
你空闲时间应该多参加一些体育活动。

6.physical education 体育教育,体育课
例句：This school has physical education for students.
这个学校为学生开设了体育课。