The first homegrown Chinese jetliner, the medium range ARJ-21 Advanced Regional Jet for the 21st Century, should start to roll off the production line later this year.是什么意思_The first homegrown Chinese jetliner, the medium range ARJ-21 Advanced Regional Jet for the 21st Century, should start to roll off the production line later this year.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句