| 例句 |
The river delta has silted up over the centuries.经过了几百年，这条河的三角洲已经淤塞了。The delta region of the Rio Grande river was a forsaken land of thickets and swamps.里奥格兰德三角洲地区是一片荒弃的土地，遍布灌木与沼泽。The delta region of the Rio Grande river was a forsaken land of thickets and swamps.里奥格兰德河三角洲曾是一片遍布荆棘和沼泽的荒废之地。A delta is formed by the wash of a river.三角洲由河流的冲积物形成。In the Greek alphabet, the letter delta comes before the letter epsilon.在希腊字母表中，字母δ在ε之前。 |