字典網>> 英漢字典>> L開頭詞條>>left identity element的意思 漢英字典left identity element中文翻譯：【計】 左麼元字典網left identity elementleft identity element相關詞條：left-handed rotation left leaf leftsignal leftovers left-half rule left-handed screw left lymphatic duct left null element left preponderance left-half hand zero