词汇 periods 在中文的含义

periods 在英语中是什么意思?与 Lingoland 一起探索这个词的含义、发音及具体用法

periods

名词

1.

期间

a length or portion of time.

示例:
he had long periods of depression
2.

期间

the interval of time between successive occurrences of the same state in an oscillatory or cyclic phenomenon, such as a mechanical vibration, an alternating current, a variable star, or an electromagnetic wave.

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