centuries是什么意思?

centuries是什么意思? a centuries-old tradition是什么意思 centuries in the past few centuries是什么意思 over the past centuries是什么意思?如题 如题. over the past centuries 英语翻译朋友们,我不明白上面的16th and 17th centuries是什么意思,为什么centuries 是复数的样子呢,另外如果考雅思,语法得掌握到什么程度,看哪本书? over the centuries怎么翻译? over the past centuries汉语意思 Supporting women for six centuries 翻译 three seconds、three years、three centuries previous centuries的中文意思是什么? -------centuries!空填15和16世纪! over the last seventeenth centuries的翻译 people living in different countries made .people living in different countries made different kinds of words.为什么这里要用living?还有最后的words为什么不能换成langurages?wrote the centuries went by.是什么意思? For centuries it kept the Americas from being discovered by the people of Europe.请问在文中by是什么意思,be discovered by是固定短语吗? 还是by在这里单独表示意思? 英语翻译19世纪是 19 century 还是19 centuries?nineteen centuries。可以这么写吗 during the 18th and 19th centuries thousands of