| 1. | Most road bridges have piers rising out of the valley . 很多公路桥的桥墩是从河谷里建造起来的。 |
| 2. | These bands wintered separately in sheltered river valleys . 这伙人在藏身的河谷分散居住,度过冬天。 |
| 3. | The dusk came gliding into it long before the sun had set . 早在太阳下山之前,昏暗的暮霭便已飘进这里的河谷中。 |
| 4. | Deep bays and sounds, in the shape of river valleys, cut inland on the coasts . 深海湾和海峡,呈河谷的形状,在岸边切割内陆。 |
| 5. | A strike-valley sand is deposited in the drainage course of a subsequent stream valley . 走向谷砂岩是在次生河谷水系中沉积的。 |
| 6. | This ratio increases from 3 to 5 when crossing from the edges to the axis of the valley . 从河谷的边缘到河谷的轴部,该比值从3增大到5。 |
| 7. | All valley deposits are subject to repeated erosion, transportation and redeposition . 所有的河谷沉积物都容易受到重复的浸蚀,搬运和再沉积。 |
| 8. | Colluvial deposits at the foot of valley slopes usually affect only narrow strips of valley bottom . 河谷坡脚处的崩积体通常只影响到谷底较窄的地带。 |
| 9. | Channel deposits, consisting of sand, silt and clay, fill the valleys cut by a river system . 河道沉积由砂,粉沙和粘土组成,充填于河流切割的河谷之中。 |
| 10. | Winter mornings in many wood-burning valley towns are now shrouded in a bluish-gray haze . 目前,许多烧木材的河谷城镇,在冬季早晨经常缭绕着蓝灰色的烟雾。 |