forty才是四十正确的拼写.
4：four
14：fourteen
40：forty
是forty，fourty是不正确的
Forty eight years of marriage have not dimmed the passion between Bill and Helen.
48年的婚姻生活并没消磨掉比尔和海伦之间的激情。
It only takes forty seconds
只需40秒。
I judged him to be about forty
我估计他40岁上下。
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