Right now, Ningbo has become the important economic centre city of Yangtze River delta, and it is the most advanced manufacturing base of East China.是什么意思_Right now, Ningbo has become the important economic centre city of Yangtze River delta, and it is the most advanced manufacturing base of East China.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句