A hertz is a unit for how often something repeats in one second. One hertz means once per second.

A hertz赫茲 is a unit for how often something repeats in one second是用來表示某件事一秒鐘重複幾次的單位. One hertz一赫茲 means once per second就代表一秒一次.

We use it for sound waves, radio waves, and anything that vibrates in a steady beat. A sound of 440 hertz is the musical A that many orchestras tune to.

We我們 use it for sound waves, radio waves, and anything that vibrates in a steady beat會用它來描述聲波、無線電波，以及任何以固定節奏振動的東西. A sound of 440 hertz440赫茲的聲音 is the musical A that many orchestras tune to就是很多樂團調音用的那個A音.

The short written form is Hz. It is a science-and-tech word: you meet it in physics class, on radios, and on computer specs.

The short written form簡寫 is Hz就是Hz. It它 is a science-and-tech word是一個科學科技用詞: you你 meet it in physics class, on radios, and on computer specs會在物理課、收音機和電腦規格上遇到它.

Though actually, in everyday English it sounds exactly like hurts, which is a completely different word. You will also see kHz and MHz — thousands and millions of hertz — because one hertz is a very small step once you leave slow waves behind.

Though actually不過事實上, in everyday English在日常英文裡 it它 sounds exactly like hurts聽起來跟hurts一模一樣, which is a completely different word而那其實是完全不同的另一個字. You你 will also see kHz and MHz也會看到kHz和MHz, thousands and millions of hertz也就是千赫和百萬赫 —— because一 one hertz is a very small step因為一赫茲的間隔非常小 once you leave slow waves behind一旦你離開比較慢的波之後.