In the second half of the 19th century many great inventions were made.翻译

问题描述:

In the second half of the 19th century many great inventions were made.翻译

19世纪后半期,出现了很多伟大发明。

在1850到1900期间出现了很多杰出的发明

在十九世纪下半页出现了很多伟大的发明.

19世纪下半叶出现了许多伟大发明