Noncyclic
不定期的, 不经常的, 非周期[循环]的
🗣️ 情景例句
Sam, this is Susan. Sam
我是Susan。
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
Sorry, Mr. Wu. I was not here yesterday.
对不起，吴先生。我昨天没有来。