| 51. | He upheld the doctrine that climate, soil ,food,and the aspects of nature are the determining factors in intellectual progress. |
| 他坚持这样的学说：气候、土壤、食物和自然面貌是智力发展的决定性因素。
|
| 52. | They first set foot on our soil as adventurers. |
| 他们起初是作为冒险家踏上我国国土的。
|
| 53. | A well-fertilized soil is fruitful in crops. |
| 施足肥料的土壤能长出好庄稼。
|
| 54. | A rich, warm, mellow soil is favorable for the growth of cabbage. |
| 肥沃温暖的松软土壤，适宜于卷心菜的生长。
|
| 55. | Crops flourish in rich soil . |
| 作物在肥沃的土壤中长得茂盛。
|
| 56. | Great quantities of soil were washed down the hillside by the rain. |
| 大量的土壤被雨水冲下山坡。
|
| 57. | The leader of the party was examining the soil near the entrance to the cave when the machine showed that there was gold under the ground. |
| 当这个队的队长正在检查洞口附近的土壤时，那台机器显示出它的下面埋有金子。
|
| 58. | Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well. |
| 冬季即将来临，这些山丘对周围的村庄具有毁灭性的威胁，因为大雨不仅会冲走土壤，而且还会引起严重的水灾。
|
| 59. | In place of the great trees which had been growing there for centuries patches of green had begun to appear in the blackened soil . |
| 一片片的绿草开始出现在这片烧焦的土地上，代替了多少世纪以来一直生长在那里的参天大树。
|
| 60. | If there had not been a hard layer of rock beneath the soil , they would have completed the job in a few hours. |
| 如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。
|