Grade periodicity technique
[电] 渐变周期性技术
🧩 词语组成解析
periodicity
[ˌpiəriə'disiti]
n. 定期，周期性;周律;
🗣️ 情景例句
Do you want to sit by the window?
想靠窗坐吗？
He knows best what good is that has endured evil.
忍过痛受过苦，最知幸福是何物。
He could make out three men in a basket under it and one of them was holding a pair of binoculars.
他看清了气球下面有3个人呆在一只筐里，其中一个举着望远镜。