thirty
thirty
英[ˈθɜːti]美[ˈθɜːrti]
n.三十，三十个，三十年代，三十的记号；
num.三十，三十个；
复数：thirties;
例句
He's not yet thirty, but he's knocked about the world a good deal.他还不到30岁, 但他已漫游了世界许多地方。
There are fifteen books on the first shelf, twenty-one on the second, that makes thirty-six in all.书架的第一层有15本书, 第二层有21本, 总共是36本。
In his platoon he had thirty-two men.在他的排里有32名士兵。
Such attitudes were not at all uncommon thirty years ago.这些看法在30 年前很常见。
He attached himself to the university where he worked nearly thirty years.他对那大学依依不舍, 因为他在那里工作了差不多30年。
Thirty-one cakes, dampened with whiskey, bask on window sills and shelves.三十一个浸润着威士忌的潮湿蛋糕，正在窗台和架子上晾晒着。
Thirty miners were trapped underground after the fire.起火后有三十名矿工被困在地底下。
Thirty is an even number.三十是个偶数。
He cannot be under thirty years of age.他的年龄不会小于三十岁。
It's fifteen thirty hours.现在是15点30分。
英语四级真题
But even if people are able to economically support a retirement at 65, over thirty years of potential inactivity is harmful to cognitive (认知的) and emotional vitality.
2019年6月四级真题（第一套）阅读 Section BThirty years after he imagined the city, Park's baby is close to 70 percent built, with 36.
2019年12月四级真题（第一套）阅读 Section B柯林斯高阶英汉双解学习词典释义
NUM
(数字) 30
Thirty is the number 30.
N-PLURAL
三十多，三十几(指 30 至 39 之间的数字)
When you talk about the thirties, you are referring to numbers between 30 and 39. For example, if you are in your thirties, you are aged between 30 and 39. If the temperature is in the thirties, the temperature is between 30 and 39 degrees.
例句
Mozart clearly enjoyed good health throughout his twenties and early thirties.显然，莫扎特在二十几岁到三十刚出头时，身体非常好。N-PLURAL
三十年代(指 1930 年至 1939 年)
The thirties is the decade between 1930 and 1939.
例句
She became quite a notable director in the thirties and forties.她在三四十年代成了一位名导演。英汉词典释义
n.
三十；三十个
Thirty is an even number.三十是个偶数。三十年代
He lived in Canada in the thirties.三十年代他住在加拿大。<网>一*中一方获得的第二分
adj.
三十的;三十个的
英英词典释义
Noun
1. the cardinal number that is the product of ten and three
Adjective
1. being ten more than twenty
行业词典
体育： 一*中得两分；
