At the time, America was imposing import duties to stop meltdown in the mid-west as one American steel company after another toppled into bankruptcy.是什么意思_At the time, America was imposing import duties to stop meltdown in the mid-west as one American steel company after another toppled into bankruptcy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句