Singleton
n. 一个, 独生子, 独身
🗣️ 情景例句
But I'll need a loan.
但我需要借钱。
I don't know whether it will rain or not.
我不知道是否将下雨。
He has been able to tell us more about active volcanoes than any man alive.
他能告诉我们的有关活火山的情况比任何在世的人都要多。