The stars are the apexes of what wonderful triangles!星星是何等神奇的三角形的尖顶!There are 2 ~3 layers tunica cells in the reproductive shoot apexes whose surface were flat.而将来发育为果枝的腋芽,其生长锥为圆柱形,顶端表面平坦,体积较大,原套层数为2～3层.There are two ape...

apexes的音标：...

n.顶( apex的名词复数 )，顶峰，脉尖，尖端...