Word · Frequency #9640
periodically
定期地；周期性地
at regular intervals
- 1.
In a manner that is regular or periodic.
以规律或周期性的方式
- 2.
intermittently or recurrently.
间歇性或反复地
以规律或周期性的方式；间歇性或反复地；定期；循环；间歇
In use
I check my email periodically throughout the day to see if there are any urgent messages.
The garden needs to be watered periodically, especially during dry spells.
The machine requires periodic maintenance to keep it running smoothly.
periodically + VERB
副词置于动词前，强调动作的规律性。
The system periodically checks for updates.
该系统定期检查更新。
VERB + periodically
副词置于动词后，常见于被动语态或系表结构。
The magazine is published periodically.
该杂志定期出版。
Periodically, + SENTENCE
副词位于句首，对整个句子进行频率说明。
Connections
Collocations
- occur periodically
- 周期性发生
- The phenomenon occurs periodically every few years.这种现象每隔几年周期性发生。
- update periodically
- 定期更新
- You should update the software periodically to ensure security.你应该定期更新软件以确保安全。
- review periodically
- 定期审查
- The committee reviews the policy periodically.委员会定期审查该政策。
- check periodically
- 定期检查
- Check the tire pressure periodically to maintain safety.定期检查轮胎气压以保持安全。
- appear periodically
- 周期性地出现
- The magazine appears periodically on a monthly basis.这本杂志每月定期出版。
Synonyms
Learner notes
Memory Tip
想象时钟指针周期性地转圈，每个period（周期）都重复出现。
Context & Register
语域：formal 常见场景：科学报告、设备维护 通常用于正式书面语，表示按一定时间间隔重复发生，比较常见于科学、技术或管理类文本。
Grammar Note
强调动作或事件以间隔的方式发生
Pronunciation & Spelling
All words share the suffix '-ically', but none rhyme exactly with 'periodically' /ˌpiəriˈɔdikəli/ because the stressed vowel and following consonant differ. For example, 'practically' stresses the first syllable and has /æ/, while 'periodically' stresses the third syllable with /ɔ/. Similarly, 'automatically' stresses the third syllable but has /æ/ not /ɔ/. Be careful not to assume perfect rhyme based on spelling alone.
Dictionary facts from ECDICT, WIKTIONARY.