基本解释adj.(情緒)鬱積的n.悶燒；低溫鍊焦；低溫乾餾動詞smoulder的現在分詞形式.同根派生 英汉例句用作名詞 (n.)For safety reasons ensure that all smouldering has ceased before the rig is left unattended.爲保障安全，人離開時要保証悶燒已經終止。