Periodic low
[电] 周期律
🧩 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;
low
[ləu]
adj. 低的，矮小的;楼下的，低洼的;沮丧的;下贱的;
adv. 低声地;谦卑地;底下地;
n. 低点;低水平;牛的叫声;
vi. （牛）哞哞叫;
🗣️ 情景例句
Oh! I just drop in on him for a chat.
哦，我只是顺便来和他聊聊天。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？
When the balloon was over the station, the pilot saw one of the men taking photographs.
当气球飞临基地上空时，飞行员看见有一个人在拍照。