这就是说：正规的罗马服饰包含长袍和胸带，而不包括衬裤、长内裤、三角裤。
That is: normal Roman clothing included under-tunics and breast bands, but not underpants, drawers, briefs.
这个小孩会被要求走到房间的一角，遮住他或她的眼睛，然后回来猜一下两个大盒子中的哪个包含了一个隐藏的球。
The child was asked to go to the corner of the room and to cover his or her eyes before coming back and guessing which of two large boxes contained a hidden ball.
它的功能还包含计算三角函数，阶乘，排列和组合的计算。
Some of the features include trigonometry, factorials, permutations and combinations.
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