(Robert takes a CD out of his backpack.) (罗勃特从他的背包里拿出了一张光碟.) Robert: I made a computer game called space killer. 我做了一个叫《太空杀手》的游戏. Mrs. Crass: How do you play it? 怎么玩? Robert: You are flying in the spaceship and you have to fight against aliens. 你在一个太空船上飞行,还要打外星人. Mrs. Crass: How do you win? 你怎么赢呢? Robert: You can't ever kill all the aliens. But whoever gets the most points wins. 你不可能杀死所有的外星人, 谁得分最多谁就赢了. Mrs. Crass: And how do you score points? 你怎么算分呢?
