51. | the rapid to-and-fro movements of a piston |
| 活塞快速的往复运动
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52. | a rapid decline in sales |
| 销售额的急剧下降
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53. | the rapid growth of plants, of hair, of inflation, of the economy |
| 植物的迅速生长, 毛发的迅速生长, 通货膨胀的迅速加剧, 经济的迅速发展
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54. | the phenomenon of their rapid rise to power |
| 他们迅速掌权的奇迹
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55. | a rapid climb to stardom |
| 很快爬上明星地位
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56. | make great, rapid , etc strides make good, fast, etc progress; improve quickly |
| 进步很大, 很快等
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57. | do a rapid summation of the figures |
| 把数字很快加起来
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58. | be astonished at the rapid progress sb. has made in his studies |
| 对某人学业上取得的飞速进步感到惊讶。
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59. | a rapid expansion of trade |
| 贸易的迅速发展
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60. | a rapid recovery |
| 迅速康复[复苏]
|