Periodic movement
周期运动
🧩 词语组成解析
periodic
[,pɪrɪ'ɑdɪk]
adj. 周期的;定期的;回归的;间歇的，时而发生的;
🗣️ 情景例句
If you have something you want to talk about,
假如你有什么事情要谈，
The rotten apple injuries its neighbours.
一只死老鼠，弄赃粥一锅。
Following in his father's footsteps many years later, Sir Malcolm's son, Donald, also set up a world record.
很多年之后，马尔科姆爵士的儿子唐纳德踏着父亲的足迹，也创造了一项世界纪录。