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?

centuries Supporting women for six centuries 翻译 求语法大神看看这句话还有语法问题?Beacuse reading book is a very old type of book which people have been used to it for centuries. sleep and dream have interested people for centuries什么意思? 请教高手们一句英文的中文翻译,我的语法不好.It says global warming will be unstoppable for centuries to come,increasing pressure on governments across the world to take immediate action to cut carbon dioxide and other greenhouse gas 改错题: After several publishers had returned the manuscript as unpublishable ,the author no longer knew anyone whom to send it .Many centuries prior the Norman invasion :the Romans have conquered Britain ,and remaind there for almost four centuri 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? centuries是什么意思? 开头是You may think that English dictionaries have been need for many centuries的原文 you may think that English dictionaries have been used for many,many centuries. You may think that English dictionaries have been need for many centuries原文 开头是You may think that English dictionaries have been need for many centuries的原文 You may think that English dictionaries have been need for many centuries 英语翻译Even from an expert whose counsel has endured for centuries,this is a bold claim! 汉语翻译In addition to communicating face to face that characterized humans for centuries They had been around for centuries.这是什么时态,帮忙分析一下句子结构, The music passed from father to son for eight centuries has not charged. 怎么翻译啊 What were the earliest Americans doing for those many centuries?问：doing是非谓语还是谓语