| 81. | Water flows to the lowest level . |
| 水往低处流。
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| 82. | Water finds [seeks] its (own) level . |
| 水往低处流。
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| 83. | The river water stood 3 feet above normal level . |
| 河水比正常水位高出3英尺。
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| 84. | The tunnel would be well-ventilated if tall chimneys were built above sea level . |
| 隧道就具备了良好的通风条件。
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| 85. | The city at one time must have been prosperous, for it enjoyed a high level of civilization. |
| 这座古城肯定一度很繁荣，因为它曾享有高度的文明，
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| 86. | At the international level , sport is frankly mimic warfare. |
| 在国际比赛中，体育简直是一场模拟战争。
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| 87. | Bank loans during the prosperity decade did not keep pace with the rising level of economic activity. |
| 十年繁荣期间的银行贷款没有随着经济活动水平的提高而增长。
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| 88. | An electron can drop from a higher level to a lower one with the emission of packet of electromagnetic radiation. |
| 利用电磁辐射束的辐射，能使电子从高能级落到低能级。
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| 89. | Aaron Neuberger raised his hand to the level of his head, palms outward, as if in prayer. |
| 阿隆·纽伯格把双手举到头那么高，手掌向外，似乎在作祷告。
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| 90. | Average inflation in the big seven industrial economies fell to a mere 3% last year, close to its lowest level in 30 years, before rising slightly to 5% this July. |
| 七大工业国家的通货膨胀率去年下降到了3%，接近30年来最低水平，今年7月才小幅上涨到5%，比许多国家70年代和80年代两位数低了很多。
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