至关重要的炮弹总是哑弹.The crucial round is a dud.迫击炮弹幕只有一发能命中目标, 这一发通常是哑弹.Your mortar barrage round on the intended target. That round will be a dud.如果坏盒中的哑弹是四枚,那麽对应的机率又会怎麽变化 呢 ?How would the probability change if the bad pile con...
The direct ancestor of the modern cat was the Kaffir cat of ancient Egypt...现代猫的直系原种是古埃及的卡菲尔猫。In Egypt, two new camps were readied for the absorption of refugees.在埃及，两个新的营地已经准备好收留难民了。Thousands of years ago in Egypt, salt...