Nonperiodicity
非周期性
🗣️ 情景例句
I don't believe it!
我简直难以相信！
He is unworthy to live who lives only for himself.
为己而生，生而可耻。
but we were afraid that the strength of the current would prevent its landing anywhere before it became exhausted.
但我们担心，洪水力量将使它上岸之前就筋疲力尽了。