| 词汇 | useful-life |
| 类别 | 英汉双解翻译词典 |
| 释义 | useful-life 释义 n. 有效期限 例句 1·After he took courses in useful life skills, he recently moved into his own flat. 在学习了有用的生活技能课程后，他最近搬进了自己的公寓。 2·Some parents now are choosing to save the cord blood, have it frozen, locked away somewhere just in case it is useful to their child later in life . 现在有些父母选择保存脐带血，把它冷冻起来，锁在某个地方，以防日后对孩子有用。 3·Some products can be recycled at the end of their useful life . 有些产品过了有效使用年限后是可以回收再利用的。 《牛津词典》 同义词 n. 有效期限 limitationvalid period |
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