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中英文地名和人名建议选择专门化的地名译典或人名译典；有些缩写词在缩写词典中更容易查到；

    lifespan查询结果如下：

    音标：['laɪfspæn]
    名词复数：lifespans 词频：高频常用词
    基本释义/说明：n.寿命;使用期限
    详解 双语句典 英文释义 韦氏词典 英文百科 wiki词典 英文句库
    n.
    寿命;使用期限
    The problem concerns the average lifespan of civilization advanced enough to be capable of such communication
    问题在于延长文明的平均寿命，才能适应这样的通信。
    Maximised machine lifespan-increased protection against oxidation and rust through Turbo T′s additives.
    最大程度地延长机器预期的使用寿命-通过多宝T系列中的添加剂，增加抗氧化和防锈能力。
    Within the power industry, every kilowatt hour counts which is why using using the best products ensures maximum output, minimal all round costs and increased equipment lifespan.
    在电力行业中，每一度电都是很宝贵的，这就是为什么我们要采用最优秀的产品以确保最大的产出、最小的综合成本和延长的设备使用寿命的原因。
    Paper and paper board-Lifespan classes
    纸和纸张.寿命等级
    -扩展释义
    n.
    存在时间,平均生命期,寿命
    n.
    1. (生物的)寿命,预期生命期限,2. (物的)使用期限
    -lifespan的不同词性形态

    名词 变体/同根词

    lifeday
    (now rare, archaic) A day of someone’s life; chiefly in plural: a lifetime. [from 9th c.]
    lifeaholic
    (informal) A person who is passionate about making the most of life.
    “Are you a workaholic? Now that you’ve got a family, it’s time to become a lifeaholic.”
    “I’ve gone from being a workaholic to a lifeaholic who works just enough to put salad on the table.”
    liveliness
    同义词： vitality animation activity briskness
    The quality of being lively; animation; energy.
    “Some may enjoy the liveliness of such a restaurant.”
    “Ethan became fond of her good nature, her liveliness, and her deep passion for nature.”
    “Fay sat on the edge of the bed, her pretty face lacking its usual liveliness.”
    aliveness
    同义词： being life actuality animation
    The state of being alive; exuberance, intensity.
    “But throughout the book the occasional faults matter little against the poetry’s terrible aliveness.”
    “I mean it in the concrete sense that is used in everyday life, the sense of soul, feeling, connectedness, inspiration, and aliveness.”
    “That sense of aliveness isn’t there when you read the text, and seeing the performance will be much more engaging.”
    livity
    (Rastafarianism) harmony in a natural world and living faith

    动词 变体/同根词

    livening
    同义词： boosting cheering up energising energizing
    liven的现在分词
    “Just as it neared the eight o’clock hour, the party was really just livening up.”
    “Potent purple pigments in the blueberries are excellent for livening up the arteries, while their vitamin C content wakes up the immune system.”
    “He bowled his heart out and all credit to him for livening up the final day’s play.”
    lived
    同义词： led maintained had endured
    live的过去式和过去分词
    “Have you ever wondered in which city-state you would have lived in Ancient Greece?”
    “Thomas Young lived in a pivotal time. The explosion of knowledge that was soon to come made it impossible to be a true polyhistor.”
    “It was a period in American history when most people lived and worked on farms.”
    livened
    同义词： boosted cheered up energised energized
    liven的过去式和过去分词
    “And then there’s that new piece of body art that really livened things up in the airport security line.”
    “A green salad livened with blue cheese vinaigrette gets a fan of seared rare steak and colorful peppers.”
    “The narrative, livened by a selection of Argentinian political cartoons, demonstrates the power of applied economics.”
    liven
    同义词： boost cheer up energise energize
    (transitive) To cause to be more lively, or to become more lively.
    “A close pal can liven up an afternoon by announcing that her new love interest has, without warning, moved to Chicago.”
    “As you gain confidence in your design eye, you can always add splashes of a complementary color here and there to liven things up.”
    “Things liven up, too, when Mr G appears, shaky and dithery in his stained white suit, having problems with his colostomy bag.”
    lifelog
    (computing) To capture and record images of one’s entire life.
    词组

    mean lifespan

    n.平均寿命

    属类：行业术语

    -农业 - -

    natural lifespan

    n.自然寿命

    属类：自然科学

    -地质学 - -

    我的生词本
    单词对比

    lifespan与其他单词对比

    查询记录
    1千常用英文单词
    3千常用英文单词
    5千常用英文单词
    词频排序7千英文单词
    词频排序1万英文单词
    词频排序2万英文单词
    小学英语词汇
    四六级词汇集
    公共场所公示语
    汉语成语翻译
    英语成语翻译
    化工化学词汇
    双语世界名著 ：
    苏菲的世界 悲惨世界 双城记 远大前程 巴黎圣母院 傲慢与偏见 人性的枷锁 诱拐 汤姆索亚历险记 茶花女 复活 高老头 老人与海 鲁滨逊漂流记 欧也妮·葛朗台 杀死一只知更鸟 少年维特的烦恼 死魂灵 堂吉诃德 雾都孤儿 永别了，武器 月亮和六便士
    中英有声读物 ：
    阿拉丁和神灯 爱丽丝梦游仙境 奥米茄文件 白色死亡 动物庄园 格列佛游记 绿野仙踪 夏洛的网 小公主 远离尘嚣
    双语学习资料 ：
    学习英语:新概念英语 慢速英语听力 经济学人双语China laws
    汉语文库选读 ：
    二十四史 聊斋志异：罗刹海市 聊斋志异：翩翩 聊斋志异：珠儿 聊斋志异：画皮 儒林外史 水浒传 三国演义 山海经 西游记 金瓶梅 林家铺子 家(激流三部曲) 乔家大院
    中外诗歌选读 ：
    李白诗选 诗经 陆游词选 吉檀迦利 莎士比亚十四行诗集 西尔维娅·普拉斯诗集 永不凋谢的紫罗兰——英美爱情诗歌选 园丁集
    专业分类词汇 ：
    法学专业 社会文化 时事政治 经济金融 体育娱乐 IT行业 工程技术 自然科学 人文学科 行业术语 化学及生命科学 机械模具
    专有名词词汇 ：
    党政机关名称 事业单位名称 企业名称 历史机构名称 国外机构名称 称谓语 门牌英语 法律规范名称 品牌名称 菜单名称 行业标准
    其他领域词汇 ：
    足球 篮球 鞋业术语 ISO标准 宾馆用词 photoshop 气象术语 电气 医药 汉英药名 中药 语法词典

    独上高台望四海 手揽云月傍天飞， 落叶重重已十月 归鸟凄凄啼心扉。

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