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31. | attain proficiency in spoken English |
| 精通英语会话 |
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32. | Be proficient at Chinese |
| 精通汉语 |
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33. | a good understanding of grammar |
| 精通语法 |
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34. | be proficient in |
| 熟练|精通 |
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35. | the mastery of technique |
| 掌握技术 |
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36. | have something at one's finger-tips; close at hand |
| 熟知;精通 |
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37. | proficiency in English |
| 精通英语 |
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38. | be deeply versed in |
| 精通, 深通 |
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39. | Be perfect in English |
| 精通英语 |
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40. | mastery of the electromagnetic |
| 制电磁权 |
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