可以说in 20th century?in后必须加the吗?
20世纪初期可不可以说in the beginning of 20th century
in the 20th century是什么意思
in the 18th century和in 18th century有区别吗?
在19世纪,翻译成英语in 19th century中间要加the吗?
in the 20th century,in the 1950s,这两个时间词的前面为什么要加 the?
英语翻译In the 20th century,bridge construction technology evolv
a leading figure in the 20th century theater." meaning"
in the 16th century什么意思
Realistic novel in the 18th century
Europe in the 18th century是什么意思
初中英语in the 18th and 19th century
英语翻译In the beginning of the 20th century,new developments in