Word · Frequency #9640
periodically
定期地；周期性地
核心释义
at regular intervals
- 1.
以规律或周期性的方式
In a manner that is regular or periodic.
- 2.
间歇性或反复地
intermittently or recurrently.
以规律或周期性的方式；间歇性或反复地；定期；循环；间歇
用法In use
I check my email periodically throughout the day to see if there are any urgent messages.
用法提示：这里 'periodically' 表示有规律地间隔进行，强调定期性。
The garden needs to be watered periodically, especially during dry spells.
用法提示：这里 'periodically' 表示每隔一段时间进行，强调间歇性重复。
The machine requires periodic maintenance to keep it running smoothly.
用法提示：这里 'periodically' 的形容词形式 'periodic' 用于描述维护的频率，强调周期性。
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。
相关词与表达Connections
搭配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
学习提示Learner notes
记忆技巧Memory Tip
想象时钟指针周期性地转圈，每个period（周期）都重复出现。
语境与语域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。
语法说明Grammar Note
强调动作或事件以间隔的方式发生
发音与拼写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.