NASA said the delay in launching the Mars Science Laboratory (MSL) would add around 400 million dollars to the cost of the project, pushing its total budget up to around 2.3 billion dollars.是什么意思_NASA said the delay in launching the Mars Science Laboratory (MSL) would add around 400 million dollars to the cost of the project, pushing its total budget up to around 2.3 billion dollars.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句