4.分数的构成 分子用基数词,分母用序数词,分子大于1时,分母加s,如: 1/5:one fifth 2/3:two thirds 2-:two and three quarters 5.小数的表示法 0.09:point zero nine 2.7:two point seven 6.百分数的表达法 90%:ninety percent 0.5%:point five percent 7.倍数表达法 表示两倍时用twice,表示三倍以上的倍数时用times。如: The earth is 49 times the size of the moon. This desk is twice as large as that one. 8.算式表达法: 5+6:five plus six(or five and six) 7-6:seven minus six 23:two multiplied by three(or two times three) 8/4:eight divided by four 相关阅读: 初一英语词汇复习:数词小结(一) 初一英语词汇复习:数词小结(三) |