TNA001 descend to 7000 feet, we have a preceding pilot reported 5 minutes ago there was moderate turbulance at 8000 feet over HCN.是什么意思_TNA001 descend to 7000 feet, we have a preceding pilot reported 5 minutes ago there was moderate turbulance at 8000 feet over HCN.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句