Singleton
n. 一个, 独生子, 独身
🗣️ 情景例句
What's the book about?
这些书写什么？
If you always say NO,never be married.
常常说“不”字，永远难结婚。
He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。