帮我看看这个倒装结构,还原下句子.Only in the past 20 years have specialists in la_英语解答

帮我看看这个倒装结构,还原下句子.
Only in the past 20 years have specialists in language study realize that signed languages are unique-a speech of the hand.

人气：198 ℃　时间：2020-05-22 01:57:15

解答

the specialists in language study have realized that signed languages are unique-a speech of the hand Only in the past 20 years