The DLR Institute of Atmospheric Physics (IPA) focuses its research on the physics and chemistry of the atmosphere in the troposphere and lower stratosphere.是什么意思_The DLR Institute of Atmospheric Physics (IPA) focuses its research on the physics and chemistry of the atmosphere in the troposphere and lower stratosphere.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句