第一叶 meaning in English

first leaf

The apical cell of the first leaf and of the first root originate almost at the same time after the embryo reaches to the 32 - celled phase
胚胎在32细胞阶段后，第一叶顶端细胞与第一根顶端细胞几乎同时发生。
The second leaf takes place at the basal part of the first leaf and originates from the shoot apex cells when the first leaf pierces the calyptra
第一叶突出帽状体之后，由第一叶基部保留下来的茎干顶端细胞产生第二叶。
Jalways remember the tow tall fit trees bu the arch bridge in our campus and wonder if the first leaf of chinese parasol falls down to my head , my shoulder , my hands and my heart
总是惦记着校园双拱桥边那两棵高高的无花果树，总是担心那秋日的第一叶梧桐会落在我的头上、肩上、手上和心上。