| 1. | The spontaneous regression of established tumors is a rare .
长成的肿瘤自发地消退是罕见的。 |
| 2. | He decided the trees had been wrenched that way in a hurricane when they were young .
他断定那准是在树木尚未长成的时候遇上了一场大飓风，给吹歪了的。 |
| 3. | This phenomenon is called "topophysis" and can be defined briefly as the long-time persistence of age or position effects in trees grown from cuttings or grafts .
这种现象被称为“部位效应”，可简单地下个定义，即从插条或嫁接长成的树在长期内保持年龄或部位的效应。 |
| 4. | Do all plants grow from seeds
所有的植物都是从种子长成的吗？ |
| 5. | The plant springs from a seed .
这个作物是由一粒种子长成的。 |
| 6. | Occasional trees may be left to mature : these are termed standards
仅有少量的树木被留下长成大树，这些长成的大树就叫做标准林。 |
| 7. | Beauty smiles in the confinement of the bud , in the heart of a sweet incompleteness
在花蕾的幽闭中，在未长成的甜蜜的花心里，美绽开了微笑。 |
| 8. | Growing from self - sown or accidentally dropped seed . used of a cultivated plant or crop
自生的由自己落下或偶尔落下种子而长成的。用于种植物或庄稼 |
| 9. | Perry is a wide goose . he has just grown up . and he will try his first time to carry to south
派瑞是一只刚刚长成的大雁，它将第一次尝试飞去南方过冬。 |
