Chinese history was hard to understand.怎样理解to unChinese history was hard to understand.怎样理解to understand在句子中的作用

Astralian friends thought Chinese history was very hard to understanding改同义句it was ()()()Astralian friends()()Chinese history 用chinese history造句 in Chinese history. Chinese New Year History. in Chinese history. he said that chinese history was very hard to understand.为什么用to understand? Zheng He was an amazing man in Chinese history .He loved going s_____. Chinese history 能不能换成China's history 为什么是Chinese history而不是China history. Chinese history was hard to understand.怎样理解to unChinese history was hard to understand.怎样理解to understand在句子中的作用 long chinese history还是chinese long history呢 Who likes Chinese history?【英文】 Who likes Chinese history?【英文】 museum of chinese history是什么意思 museum of chinese history是什么意思 he was also the first Chinese pinist in the 70-year history of the competition to win this prize英语翻译. He was also the first Chinese pianist in the 70 - year history of the competition to win this prize.翻译... He was the first Chinese _____ (win) first prize in the 70 -year history of the copetition.