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every third-year还是every third year

  • 2023-05-16 20:06:03

every third-year还是every third year?

every third-year还是every third year

应该是every three years,意思是每隔三年。例如:he visits this library every three years.他每隔三年去参观一次这个图书馆。可以看出这类短语的构成是every +基数词+名词。every two days每隔两天。every ten minutes每个十分钟。最后,这类词组放在句中谓语动词是一般现在时。

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