| 1. | September was crisping the berlin air and yellowing the leaves when pug got back .
帕格回去的时候，柏林的九月空气清新，树叶正在变黄。 |
| 2. | Washington is still incredibly hot and muggy, though the leaves have started turning .
华盛顿依旧非常闷热，潮湿，尽管树叶已经开始变黄。 |
| 3. | He looked back once, up that endless vista of autumn lane between the yellowing hedges .
他一度回头望望夹在变黄树篱中间的那条无穷无尽的秋色小径。 |
| 4. | This substance is bleached by the action of light and converted into a yellow and finally a white material .
这种物质被光脱色而变黄，最后成为一种白色的物质。 |
| 5. | Botanists have long known that the development of seeds and fruits often causes leaves to turn yellow and die .
长期以来植物学家认为种子和果实的发育往往使叶子变黄和枯死。 |
| 6. | Autumn coming , leaves are turning yellow gradually
秋天到了，树叶慢慢的变黄。 |
| 7. | Yellowish of skin and white of eyes , darkening of urine
皮肤、眼白变黄、小便呈茶色 |
| 8. | It was autumn and the leaves were beginning to yellow
已经是秋天了，树叶开始变黄。 |
| 9. | When autumn comes , the leaves become yellow
每当秋天到来时，树叶会变黄。 |
| 10. | His teeth are stained with years of smoking
他的牙齿因长年吸烟而变黄了。 |
