Aperiodically
adv. 不定期地
🗣️ 情景例句
Hello, Air China Flight Reservations. May I help you?
喂，你好，中国航空公司订票处，需要帮忙吗？
No, it isn't. It's a bus.
不，那是一辆公共汽车。
Put them away, please. You must look after your things.
把他们放好。你得能看好自己的东西。