undated

英 [ˌʌnˈdeɪtɪd]

美 [ˌʌnˈdeɪtɪd]

adj.  未注日期的; 日期不明的; 时间不详的

BNC.21431 / COCA.23226

牛津词典

adj.

• 未注日期的
  without a date written or printed on it
  1. an undated letter
     一封没写日期的信
• 日期不明的；时间不详的
  of which the date is not known
  1. undated archaeological remains
     时间未确定的考古遗迹

柯林斯词典

• ADJ 无日期的；未注明日期的
  Something that isundateddoes not have a date written on it.
  1. In each packet there are batches of letters, most of which are undated.
     每个包裹里都有一摞摞的信件，其中大部分都没有日期。

英英释义

adj

• not bearing a date
  1. a dateless letter
  Synonym:dateless

双语例句

• Senior high school students pose for a group photo during an event held by the Youth Volunteer Service for Regional Peace in this undated photo.
  这张未标日期的，是一群高中生在区域和平志工团活动后拍团体照的照片。
• The undated clip showed the al-Qaeda leader outdoors praising martyrs who had been killed in Afghanistan.
  在这段未注明日期的录像片断中，本.拉登在户外称赞了死于阿富汗的殉教者。
• Two penguins are shown in this undated handout image received on Sept.21 courtesy of the Chicago Zoological Society in Chicago.
  这张九月二十一日由芝加哥动物学社提供的照片，是两只企鹅。
• An undated handout photo shows a Mayan carving at the El Zotz archaeological site in Northern Guatemala.
  一个未注明日期的照片显示了一个讲义玛雅人在危地马拉北部的萨尔瓦多措茨考古遗址雕刻。
• Three different welcome signs to the town of Speed, 400km northwest of Melbourne, are seen in these undated photos.
  这三张未标示日期的照片，是距离墨尔本西北方四百公里的小镇「速度」的欢迎路标。
• There are no studies and the painting is undated and unsigned. An arbitrator who has a dissenting opinion may sign or not sign his name on the arbitral award.
  没有试画，画上没有署明日期，也没有署名字。持有不同意见的仲裁员可以在裁决书上署名，也可以不署名。
• A woman carries a handbag on her shoulder in this undated photo.
  这张未标日期的照片显示的是一位女性背著手提包。
• Of Christmas Island's14 crab species, the Christmas Island red crab ( above, crabs migrating in an undated picture) is the most easily spotted, according to the Christmas Island National Park website.
  据圣诞岛国家公园网站介绍，作为圣诞岛上的14种蟹类之一，圣诞岛红蟹是最为常见的。
• Iraq recently recalculated its oil reserves to reflect undated technology and now says it has the world's second-biggest oil reserves.
  伊拉克最近重新评估了石油储量，以反映无定期的技术，现在伊拉克称拥有世界第二大石油储量。
• For undated references, the latest edition of the normative document referred to applies.
  对于未标时间的引用标准，有关最新版是适用的。