a single person or thing of the kind under consideration
单独的人(或物体)
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splitting the clumps of plants into singletons. 将一丛植物单个分开。
[often as modifier]a child or animal born singly, rather than one of a multiple birth
单生子女;单生幼畜
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singleton boys .单生子。
a person who is not married or in a long-term relationship
单身的人;无长期亲属关系的人。
(in card games, especially bridge)a card that is the only one of its suit in a hand
(纸牌戏,尤指桥牌)单张(一手牌中某花色的惟一一张牌)。
【数,逻】 单元(素)集。
"late 19th cent.: from