造成这种一词多形多音的原因是“转注”和方音。

Mutual explanation and dialects are the causes for the variant characters and pronunciations of this word.

youdao

他首创的许多音效至今仍在使用，比如通过拉动薄铜板的一角来制造雷声。

Many of the sound effects he pioneered are still in use today, like creating thunder by pulling on one of the corners of a thin copper sheet.

youdao

他们巡回演出时会举办很多音乐会，在烟雾缭绕的地方演唱。

When they go on tour, they do a vast number of concerts, singing in smoky places.

youdao