The estimated time of arrival or ETA is a measure of when a vehicle, aircraft, cargo, emergency service or computer file is expected to arrive at a certain place.是什么意思_The estimated time of arrival or ETA is a measure of when a vehicle, aircraft, cargo, emergency service or computer file is expected to arrive at a certain place.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句