As the reactor in Chernobyl continues to bum, military helicopters flew over the side and dropped wet sand and various minerals onto the burning reactor.是什么意思_As the reactor in Chernobyl continues to bum, military helicopters flew over the side and dropped wet sand and various minerals onto the burning reactor.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句