periodically是一个副词,意思是“定期地,周期性地”。它来自于名词period(时期,周期),加上后缀-ically构成。在英语中,-ically结尾的单词通常都是副词。
怎么读(音标)
periodically的音标为/pɪərɪ'ɒdɪkli/。
用法
periodically常用来表示某件事情发生的频率或规律性。它可以修饰动词、形容词或整个句子。:
- The magazine is published periodically. (这本杂志定期出版。)
- I like to check my email periodically throughout the day. (我喜欢全天定期检查我的电子邮件。)
- The volcano erupts periodically, but not with any regularity. (这座火山会间断地喷发,但没有任何规律可言。)
例句1-5句且中英对照
1. We need to clean the pool filters periodically to keep the water clear.(我们需要定期清洁游泳池的过滤器,以保持水质清澈。)
2. The doctor recommended that I have a check-up periodically to monitor my health.(医生建议我定期体检,以监测我的健康状况。)
3. She takes a break from her work periodically to stretch and relax her muscles.(她会定期休息一下,伸展身体放松肌肉。)
4. The bus runs periodically, so make sure you check the schedule before you leave.(公交车定期发车,所以在出门前一定要查一下时间表。)
5. The company's financial statements are reviewed periodically by an external auditor.(公司的财务报表会定期由外部审计师进行审核。)
同义词及用法
- regularly:意为“有规律地,经常地”,强调按照固定的时间或顺序进行。
例句:I exercise regularly to maintain my physical health.(我经常锻炼以保持身体健康。)
- recurrently:意为“反复地,再次地”,强调某件事情多次发生。
例句:The problem has recurred recurrently over the years.(这个问题多年来一再发生。)
- intermittently:意为“间歇地,断断续续地”,强调某件事情不连续或不稳定地发生。
例句:The power went out intermittently during the storm.(暴风雨期间电力断断续续地中断。)
编辑总结
periodically是一个常用的副词,表示某件事情发生的频率或规律性。它可以修饰动词、形容词或整个句子,并且有时可以和其他副词互换使用。在写作中,我们可以通过使用periodically来描述某件事情的周期性或定期性,让文章更加生动有趣。