There are 14 f-block elements, and an Elizabethan sonnet contains 14 lines.

有14个f区的元素，正好伊丽莎白诗也有14行。

youdao

There are 14 f-block elements, and an Elizabethan sonnet contains 14 lines.

有14个f区的元素，正好伊丽莎白诗也有14行。

youdao