He was cool, calm, grave, his gray hair was perfectly smooth upon his temples, and he had just mounted the stairs with his habitual deliberation.是什么意思_He was cool, calm, grave, his gray hair was perfectly smooth upon his temples, and he had just mounted the stairs with his habitual deliberation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句