桃李满天下，恩情似海深，祝老师身体体健康！

Have students all over the country, kindness deep as the sea, I wish the teacher health!

youdao

使用____有助于人们的身体体健康，并____。

Using ____ contributes greatly to people's physical fitness as well as ____.

youdao

目的：探讨山东汉族儿童青少年身体体成分现状及变化规律。

Objective: To study the development of body compositions of boys and girls of Han nationality of Shandong Province.

youdao