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41. | Being a tutor for a low learner is really a drag . |
| 身为反应迟钝学生的家庭教师,真累人。 |
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42. | landscape terrace |
| 园景台阶 |
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43. | My heart is secretly crying in bitterness, this is enough to tired someone. |
| 我心中暗暗叫苦﹐真够累人的。 |
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44. | flat-back stope |
| 逆台阶工作面 |
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45. | Cleaning ovens is a real fag. |
| 清洗烤箱是一件累人的活。 |
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46. | dynamic terrace precision |
| 动态台阶精度 |
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47. | Machining of step dimension |
| 台阶尺寸加工 |
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48. | inside step design |
| 内台阶设计 |
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49. | striding the stage. |
| 大踏步走过台阶 |
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50. | bench excavation |
| 台阶式挖掘 |
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