字典網>> 英漢字典>> R開頭詞條>>radical sign的意思 漢英字典radical sign中文翻譯：【計】 根號字典網字典網英文字典英文解釋：名詞 radical sign:a sign placed in front of an expression to denote that a root is to be extracted同義詞：radical相關詞條：radical chain reaction radical ion radical myomectomy radically radical treatment radical telomerization radicalization radical initiator radical principle radical diffusion model