十七世纪初叶，有人第一次提出纤维可以用合成法制造出来。

Early in the seventeenth century it was first suggested that fibers could be produced synthetically.

youdao

十七世纪初叶，有人第一次提出纤维可以用合成法制造出来。

Early in the seventeenth century it was first suggested that fibers could be produced synthetically.

youdao