| 单词 | 过产 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔directrix〕Mathematics The fixed curve traversed by a generatrix in generating a conic section or a cylinder.【数学】 准线：穿过产生圆锥部分或圆柱的母线而形成的固定曲线美国传统〔expiration date〕The date past which a product, such as food or medicine, must be sold or removed from availability because it is no longer expected to be fresh or effective.过期产品：超过产品（如食品或药品）的销售期或使用期，产品变得不新鲜或失效美国传统〔oviposit〕To lay eggs, especially by means of an ovipositor.产卵：生蛋，尤指通过产卵器美国传统〔tidy〕The sale of the company brought in a tidy sum.公司通过产品销售赚了一大笔钱。麦克米伦高阶 |
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