| 1. | Patterns of deltas are ephemeral . 三角洲式样的变化是很快的。 |
| 2. | A variant of the swept-back wing is the delta wing . 后掠翼的变型是三角翼。 |
| 3. | Many deltas are triangular in shape . 很多三角洲是三角形的。 |
| 4. | They were the terror of the ganges delta . 他们已成为恒河三角洲的令人胆寒的力量。 |
| 5. | The nile divides at its mouth and forms a delta . 尼罗河在河口分岔,形成了一个三角洲。 |
| 6. | Beans onions and rice grow in the black soil of the delta . 豆洋葱以及稻米生长在河口附近的黑色土壤里。 |
| 7. | Fluviatile sands deposited by delta distributaries are quartzose . 三角洲分流中沉积的河流砂是石英质的。 |
| 8. | The delta burmese rose in revolt and rushed the town of prome . 三角洲地区的缅甸人举行起义,突然袭击卑谬城。 |
| 9. | I know many of the early civilizations prospered on deltas . 我知道很多古老的文明都是在三角洲上蓬勃发展起来的。 |
| 10. | During the period from 1935-1948 the delta was extended a distance of 42 miles . 在1935-1948年期间,三角洲延伸42英里。 |