He had guided the student to successfully come up with a method for forecasting the UV index on clear sky days, laying sound bases for the UV Index forecasting techniques.是什么意思_He had guided the student to successfully come up with a method for forecasting the UV index on clear sky days, laying sound bases for the UV Index forecasting techniques.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句