不定期的例句（不定期在句子中的用法）

• He visits us at irregular intervals. 他不定期地来探访我们。
• Demurrage charges and arrearage loss are two very main ideas in nonsked ship business. 滞期费和延滞损失是不定期船业务中很重要的两个概念.
• Events that are aperiodic and represent an occurence. 不定期的并表示出现一次的事件.
• ...episodic attacks of fever. 不定期的发烧