| 1. | Now the first leaves of spring were unfolding .
现在，春天初生的嫩叶正在萌芽。 |
| 2. | Finally , we went to see margrerite s grave over which the early rays of the april sun were uncurling the first leaves
最后我们到玛格丽特的坟地上去，四月里太阳的初辉已经催开了绿叶的嫩芽。 |
| 3. | Cotyledon ( seed leaf ) the first leaf of the embryo of seed plants , which is usually simpler in structure than later - formed leaves
子叶：种子植物胚胎的第一片叶，在结构上通常比后来形成的叶简单。 |
| 4. | On the basis of the structure of vegetable organs , the first leaf and root are the earliest organs in the development of embryo
据营养器官的形态结构判断，在海金沙胚胎发育中最早出现的营养器官是叶和根。 |
| 5. | 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。 |
| 6. | 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。 |
| 7. | He began to move on the first leaf , and then the next … he counted and when he counted two hundred , he could not help looking back to see where his house was
开始走第一片叶子，然后是另一片… …他自己数着，到二百片的时候，忍不住回头望一下家在哪里。 |
| 8. | 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。 |
| 9. | The concentration of phenolic substances is greatest in the bud and the first leaf of the harvested tea shoot , is progressively less in leaves 1 to 3 and is least in the stem
在采摘下来的幼苗中，幼芽和头一片叶子中的酚类物质含量最高，从第一片到第三片叶子，酚类物质依次减少，茶梗中的含量最少。 |
| 10. | Older leaves ( except sometimes the first leaf and also cotyledons ) show bright yellow or orange blotchy interveinal chlorosis , leaf margins are inrolled . tips of leaflets scorch and leaves wither
番茄缺钼叶片：老叶（除此之外第一片叶和子叶有时也会）出现嫩黄色或橙色斑点的叶脉脉间失绿，叶缘不卷曲，叶尖端枯萎，叶片脱落。 |
