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71. | A subset S of a ring A is a subring of A. |
| 环A的子集S叫作A的子环。 |
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72. | a residence; a dwelling (place); a lodging; quarters; a domicile; a habitation |
| 住处 |
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73. | a box in a theater, etc.; a stateroom; a circle; a balcony |
| 包厢 |
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74. | a bit; a little; a crumb; a fraction; a grain; an inch |
| 一点儿 |
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75. | 1.a seat; a place 2.a base; a pedestal; a stand |
| 座 |
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76. | 1.an appearance; a shape; a form 2.a manner; an air; a look (of); a mien; a posture3.a sample; a pattern |
| 样子 |
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77. | 1.a road; a path; 2.a way; a journey; a route |
| 路途 |
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78. | 1.a mat 2.a seat; a place3.a feast; a dinner |
| 席 |
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79. | a poster; a placard; a bill; a show bill; a show card |
| 招贴 |
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80. | "Drive a car ( a bus, a tractor, a truck ) " |
| 开小汽车(公共汽车、拖拉机、卡车) |
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