ownerless

/ˈəʊnəlɪs/
having no owner.

adjective [原级] 无主的

Original acquisition comprises making things, taking possession of ownerless things. 原始取得包括造物,占有无主物。

后缀: less 【adjective】 表示缺乏或没有某种特性 - indicating the absence or lack of a particular quality 原词: ownerless 是通过后缀 【less】 构成的派生词
单词造句:
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The written application shall clearly state the type and quantity of the property as well as the reasons for applying for ascertaining the ownerless property. 申请书应当写明财产的种类、数量以及要求认定财产无主的根据。
Do not be tempted to collect ownerless articles on the ground and beware of any strangers who approach you on such an excuse. It may be a fraud. 不要贪财,不要捡拾地上不明物品,并提防街上籍此接近你的陌生人,谨防上当受骗。 。