Carbon-14 is produced when cosmic rays bombard the atmosphere. The carbon-14 formed will be oxidized to carbon dioxide and absorbed by plants.是什么意思_Carbon-14 is produced when cosmic rays bombard the atmosphere. The carbon-14 formed will be oxidized to carbon dioxide and absorbed by plants.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句