七龙珠书包小学生书包 Dragon ball Z schoolbags
我是小学生书包尼斯 my schoolbag is nice
小学生书包男 elementary school boy's schoolbag
小学生书包女 primary school girl's schoolbag
日本小学生书包 japanese elementary school students' schoolbag
小学生书包批发 primary school students' schoolbag wholesale
小学生书包女生 elementary school girls' schoolbag
小学生书包男生 elementary school boys' schoolbag
年级小学生书包 primary school students' schoolbag
目睹当今小学生书包的大小与重量，很多成年人都觉得自己的童年比他们现在的童年要快乐。
Just from the weight and size of school bags, many people believe they were happier as a child than the children are today.
小学生书包平均重4.2公斤，超过标准达百分之53.4 .书包标准重量等同学童重量的百分之十。
On average, a primary school pupil's school bag weighs 4.2 kg, 53.8 per cent heavier than the recommended weight - which is 10 per cent of a pupil's weight.
小学生把书包扔向空中。
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