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41. | pickup shoulder |
| 提升台阶 |
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42. | shoulder of hole |
| 井眼台阶 |
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43. | orchestral riser |
| 乐团台阶 |
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44. | calibration step |
| 校准台阶 |
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45. | standing of solid construction |
| 实心台阶 |
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46. | epitaxial ledge |
| 外延台阶 |
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47. | to offer a chance to extricate oneself from an awkward positio |
| 找台阶 |
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48. | ascend the steps |
| 登上台阶 |
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49. | step cutting pattern |
| 台阶图形 |
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50. | Take care! The ice is thin. |
| 当心!冰很 |
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