41. | He bought himself a pair of trousers. |
| 他给自己买了一条裤子。
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42. | He wore ( a pair of ) black trousers. |
| 他穿着黑色西裤。
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43. | Over the long haul, an expensive pair of shoes may save you money. |
| 从长远来说,买一双价格贵一些的鞋子可能会更省钱。
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44. | In the line "The way was long the wind was cold," the words between each pair of upright lines make up a foot. |
| 在 The way | was long | the wind | was cold 这行诗中,每对垂直线中间的词构成一个音步。
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45. | He could make out three men in a basket under it and one of them was holding a pair of binoculars. |
| 他看清了气球下面有3个人呆在一只筐里,其中一个举着望远镜。
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46. | Much to the aristocrat's amusement, the gaoler returned a few moments later with a pair of glasses and the usual copy of the letter with he proceeded to read to the prisoner. |
| 他一边说着,一边匆匆下台。贵族感到非常好笑的是:一会儿工夫,狱卒重新登台,拿来一副眼镜以及平时使用的那封信,然后为那囚犯念了起来。
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47. | and if a single curved glass would distort nature, how much more would a pair of them? |
| 何况一片曲面镜就可歪曲自然,那么伽利略的两片曲面镜对自然的歪曲又该多大呢?
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48. | Each F distribution has a pair of degrees of freedom. |
| 每个
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49. | Next a pair of feet was seen in the distance. |
| 接着,他们看见远处有一双脚。
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50. | If I placed a safety pin on a steel railroad track and let a train run over it, the safety pin would turn into a pair of bright brandnew scissors. |
| 如果把一枚别针放在铁路钢轨上,让火车从上面压过,别针就会变成一把闪光发亮的新剪刀。
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