They are spread from respiratory passages, through the cough and sneeze droplets deposited on doorknobs, desktops, coat sleeves and food tables.是什么意思_They are spread from respiratory passages, through the cough and sneeze droplets deposited on doorknobs, desktops, coat sleeves and food tables.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句