thirty
num.三十，三十个(人或物)
释义2：
thirty
/ 5W\:ti: /
◙ (pl. -ies)1. the number equivalent to the product of three and ten; ten less than forty; 30[Roman numeral: xxx or XXX.] • 三十；三十个[罗马数字：xxx 或 XXX.] »thirty or forty years ago. 三四十年前。 »thirty were hurt. 有30人受伤。 »thirty of her school friends. 她的30位校友。 (thirties)the numbers from thirty to thirty-nine, especially the years of a century or of a person's life• 三十几；三十多年代；三十几岁 »a woman in her thirties. 一个三十多岁的女人。 »she was a famous actress in the thirties. 她是30年代的著名演员。 thirty years old• 三十岁 »I've got a long way to go before I'm thirty. 我离30岁还早着呢。 thirty miles an hour• 时速三十英里 »doing about thirty. 开车时速约30英里。 a size of garment or other merchandise denoted by thirty• （衣服等商品的）三十号【派生】
♦ thirtieth ordinal number◘ thirtyfold adjective & adverb【语源】
1. Old English thrītig (see three , -ty ). The spelling with initial
thi- is recorded in literature in the 15th cent., and has been the prevalent form since the 16th cent
俄语/英语字母转换