periodically

adv.周期性地；定期地

periodically

Adverb

in a sporadic manner;

"he only works sporadically"

periodically例句

用作副词(adv.)

New strains of viruses appear periodically.
新菌系的细菌周期性地产生。

The state of knowledge in this field has been surveyed periodically in review papers.
在一些评论文中对这一领域的动态周期性地进行了评述。

Periodically, someone comes by with a truck to fill them.
有些人定期地用卡车运输食品，装进机器。

Drones must return periodically to recharge their weapons and propulsion systems.
雄蜂一定定期地回复再休整他们的武器和推进系统。

periodically近义词

sometimes sporadically every so often occasionally at times once in a while from time to time intermittently at regular intervals regularly like clockwork cyclically seasonally continually