什么是“S-box”?《24Hours》(24小时反恐)里面的原句：Did you try using an S-box inversion on that key card?

什么是“S-box”?《24Hours》(24小时反恐)里面的原句：Did you try using an S-box inversion on that key card? 什么是Y-box基因 pandora's box 马上就要 24小时自助银行中的service加s吗24 hours service banking还是24 hours services banking 什么是b-box哦我弟弟说他要学box 什么的是b-box哦 公共场合中常见的英语标识的中文意思这些英语标识包括：1、BUSINESS HOURS 2、ENTRANCE 3、EXIT 4、WOMEN’S 5、NO SPITTING 6、PO BOX 7、WET PAINT 8、KEEP OFF THE GRASS 9、NO PARKING What's a letter box?It's a box with a hole through which the postman puts the letters.我大概知道这题是要做什么 可是为什么是这样做呢? 什么是美国亚马逊金盒 Gold Box? Let's stay outside for hours and hours. it took me two hours to open the box 和it took me two hours opening the box 并且说明原因, It took me 2 hours to make the box.划线部分提问 (划线部分是2 hours) 1,l can't carry the box become it is even heavier than___A yourselves B your C yours D yourself2,Mike 's hobby is playing football,and____is collecting stamps（I)3,the museum opend two hours agothe museum has __ ___for two hours这些题目的具体 BOX box It's a pencil box 复数改 What's in your pencil box? that's a dark red box复数 Waht's wrong （ ）your pencil-box?