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| 41. | Very dangerous and rarely rugged |
| 陡险崎岖 |
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| 42. | a slight (steep) slope |
| 小（陡）坡 |
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| 43. | steep wave front |
| 陡波前沿 |
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| 44. | clearing from steep shore |
| 离陡岸 |
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| 45. | a rapid gentle ] ascent |
| 陡缓]坡 |
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| 46. | steep-sided cone |
| 陡倾锥 |
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| 47. | steepest gradient |
| 最陡坡度 |
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| 48. | infinitely sharp leading edge |
| 无限陡前沿 |
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| 49. | steep-dipping bed |
| 陡倾斜岩层 |
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| 50. | To go over hills and mountains |
| 登山陡岭 |
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