| 1. | The sands are running low .
沙漏里的沙愈来愈低，时间快完。 |
| 2. | The channel sand is not of the cut-and-fill type .
水道砂岩不是切割--充填类型的。 |
| 3. | His sands are running out .
他的命数将尽。 |
| 4. | Sand is finer than gravel .
沙子比碎石细。 |
| 5. | The sand is separated from the silt and clay by wave sorting .
砂粒在波浪分选作用下从粉砂及粘土中分出。 |
| 6. | The funnel-shaped self-potential curve of the eocene sands is well marked .
始新统砂层的漏斗形自然电位曲线形态很明显。 |
| 7. | 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。 |
| 8. | These sands are littered with shells that seem identical to those of present-day marine organisms .
这些沙里混杂着与今天海洋生物的贝壳类似的贝壳。 |
| 9. | In fact, the available sand is insufficient to form a continuous blanket overlying the unconformity .
事实上，所补入的砂质物不足以在不整合面上形成连续的盖层。 |
| 10. | The limits of the altered sands are considered to be the most forward penetration of the oxidizing groundwater .
蚀变的沙子边缘被认为是具有氧化作用的地下水所能到达的最前沿。 |
