19th century 和1990s分别是什么意思
19th century 和1990s分别是什么意思
1900s和19th century区别
around the 19th century是什么意思?
Europe in the 18th century是什么意思
in the 20th century是什么意思
twenty of century和20th century是不是一样
in the 18th century和in 18th century有区别吗?
初中英语in the 18th and 19th century
in the early part of the 19th century 和 at the beginning of
18th or 19th centuries 为什么用复数?而不是18th or 19th century.
in the second half of the 19th century
In ________ late 19th century,Europe changed ________ great