musa acuminate 基本例句 香蕉 Cloning and Developmental and Tissue-Specific Expression of Banana Lectin Gene香蕉凝集素基因的克隆及在成熟果实中的特异性表达 Cloning and Expression Analysis of S-Adenosyl-L-Methionine Synthase Gene in Musa Acuminate香蕉中S-腺苷-L-蛋氨酸合成酶基因的克隆及表达分析banana香蕉⎤