noun🔗Share单张，独张 A playing card that is the only one of its suit in a hand, especially at bridge."At the bridge club meeting, Sarah had the singleton of hearts, meaning she was the only one holding a heart ace. "在桥牌俱乐部聚会上，莎拉手上有红桃单张，意味着她是唯一一个手握红桃A的人。gameChat with AIVocabulary GamePractice Reading
noun🔗Share单张，独张 A hand containing only one card of a certain suit.""Holding only the Queen of Spades, Maria had a spade singleton and hoped someone else would lead the suit." "玛丽手上只有一张黑桃Q，是张黑桃单张，所以她希望其他人先出黑桃。gameChat with AIVocabulary GamePractice Reading
noun🔗Share单个，独例 A single object, especially one of a group."Even though the puzzle box had many puzzle pieces, one red piece was a singleton; it was the only one of its kind. "即使这个拼图盒里有很多拼图块，其中有一个红色的拼图块是独例；它是唯一的，仅此一个。groupthingtypeChat with AIVocabulary GamePractice Reading
noun🔗Share单例，单件. A class that may not be instantiated more than once, i.e. that implements the singleton design pattern."The database connection in this application is a singleton, ensuring that all parts of the program use the same connection and avoid conflicts. "这个应用里的数据库连接是一个单例模式，确保程序的所有部分都使用同一个连接，避免冲突。computingtechnologytypestructurefunctionChat with AIVocabulary GamePractice Reading
noun🔗Share单元素集合, 单例 A set with exactly one element."The set of students who received a perfect score on the test was a singleton, containing only Sarah. "考试得满分的学生集合是个单元素集合，里面只有萨拉一个人。mathlogicelementnumberChat with AIVocabulary GamePractice Reading
noun🔗Share独生子，单胎。 A child or animal that is born singly, not as a twin or other multiple birth."singleton preterm birth"单胎早产儿familyanimalbiologyChat with AIVocabulary GamePractice Reading
noun🔗Share单身人士，单身汉。 A person without a romantic partner."Maria enjoyed the potluck but felt a bit out of place as the only singleton among all the couples. "玛丽亚很喜欢这次聚餐，但因为在所有情侣中她是唯一的单身人士，所以感觉有点格格不入。personhumanfamilyChat with AIVocabulary GamePractice Reading
noun🔗Share单身人士，独身者。 A person without a dissociative identity."After years of misdiagnosis, Sarah was relieved to learn she was a singleton, not suffering from dissociative identity disorder as previously thought. "经过多年的误诊后，莎拉终于松了一口气，得知自己只是个单身人士，并非之前认为的患有多重人格障碍。mindpersonhumanChat with AIVocabulary GamePractice Reading
noun🔗Share单辅音 A single consonant, as opposed to a geminated consonant."singleton sonorants"单辅音响音languagephoneticslinguisticsgrammarChat with AIVocabulary GamePractice Reading
