the number equivalent to the product of four and ten; ten less than fifty; 40
四十;四十个
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Troy was only forty miles away 特洛伊仅四十英里远
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forty were arrested 四十人被捕
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there were about thirty or forty of them. 他们大概有三四十人。(Roman numeral: <Bold>xl</Bold> or <Bold>XL</Bold>. 罗马数字: <Bold>xl</Bold> 或 <Bold>XL</Bold>.)
(
四十几;四十年代;四十几岁
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Terry was in his early forties. 特里四十岁刚出头。
forty years old
四十岁
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a tall woman of about forty. 四十岁左右的高个儿女人。
forty miles an hour
每小时四十英里
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they were doing about forty. 他们以每小时40英里左右的速度行驶。
a size of garment or other merchandise denoted by forty
(衣服等商品的)四十号。
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四十英寻地区(位于苏格兰和挪威南部之间北海中部海域,该处海深普遍为四十多英寻,故名,是北海产油中心)。参见<Bold>ROARING FORTIES</Bold>.
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覆盖苏格兰以东北海中部海域的航情预报地区。
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forty winks informal a short sleep or nap, especially during the day 〈非正式〉 (尤指白天)小睡
"Old English