left exactness [數(shù)學(xué)]左正合性left coronary artery [解剖] 冠狀大動(dòng)脈 [解剖] 左冠狀動(dòng)脈left congruence relation [數(shù)學(xué)]左同余關(guān)系left chest pain [醫(yī)藥科學(xué)]左胸痛left cerebral hemisphere 左大腦半球 左半腦left cancellative monoid congruence [數(shù)學(xué)]左消幺半群同余left bundle branch system block [醫(yī)藥科學(xué)]左束支傳導(dǎo)系統(tǒng)阻滯left bundle branch block 左束支傳導(dǎo)阻滯left behind 留下；遺留left bank 左岸left baggage 行李寄存處left back 左后衛(wèi)left atrium [解剖] 左心房，左心耳left arrow n. 左箭頭鍵left arm 左臂left and right 左右left alone 不干涉，不管；放開left (adj.) left adj.左邊的adv.向左n.左邊；左派分子；【體】左手拳動(dòng)詞leave的過去式和過去分詞形式.lefschetz fixed-point theorem [數(shù)學(xué)]列夫希茲不動(dòng)點(diǎn)定理[教育學(xué)]列夫希茲不動(dòng)點(diǎn)定理