Mexico joined Canada in contesting a new U.S. law on country-of-origin labeling (COOL) for fresh beef and pork.是什么意思_Mexico joined Canada in contesting a new U.S. law on country-of-origin labeling (COOL) for fresh beef and pork.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句