used to refer to a situation in which any win by one person always means a loss to another person involved。
Words and Expressions in Each Unit七年级上册英语单词表Starter Unit 1good /gud/ adj. 好的morning /'mɔ:niŋ/ n. 早晨;上午Good morning! 早上好!hi /hai/ interj.
单词巩固1 what [hwɔt] pron 什么2 is [iz] v 是3 what's [hwɔts] what is 的缩写形式4 your [juə] pron 你的,你们的5 name [neim] n 名字6 my [mai] pron 我的7 I