| 1. | The apple trees are fruiting early this year .
今年苹果树很早结果。 |
| 2. | There are a few apple trees scattered among these peach trees .
这片桃树中杂有几棵苹果树。 |
| 3. | The old apple trees must be grubbed up and young ones planted .
该把老苹果树挖掉，栽种小树苗。 |
| 4. | The root system of the apple tree grows in proportion to the top .
苹果根系的生长与树冠生长成正比。 |
| 5. | In apple trees photosynthesis occurs almost exclusively in the leaves .
苹果树的光合作用几乎只发生在叶内。 |
| 6. | There is no evidence that such crusts have any direct adverse effect on apple trees .
没有材料证明，这种硬皮对苹果植株有任何直接的不利影响。 |
| 7. | Two stunted apple trees raised their gnarled and knottily branches on either side of the wicket gate .
边门两旁，是两株瘦小的苹果树那多节的桠枝。 |
| 8. | Sunshine, temperature, wind speeds and rainfall all affect the growth and cropping of apple trees .
日照、温度、风速和降雨量都能影响苹果的生长和结实。 |
| 9. | Apple trees have been largely replaced by pear trees in the rogue river valley and the nonirrigated willamette valley .
在Rogue河河谷和不灌溉的Willamettee河谷，许多苹果树换成了梨树。 |
| 10. | These apple trees yield plenty of fruit this year
这些苹果树今年结了许多苹果。 |
