Singleton
n. 一个, 独生子, 独身
🗣️ 情景例句
Hello, I would like to speak to ..., please.
喂， 我想找一下……
How many cups are you going to order?
你要订几杯？
Some people on the bank called out to the man in the boat, but he did not hear them.
岸上的一些人对着小船上的人高喊，但他没有听见。