| 81. | He walked along briskly, twirling his cane in the air . |
| 他一边轻快地走着,一边用手杖在空中旋转。
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| 82. | The serum is vitiated byexposure to the air . |
| 血清暴露在空气中已变质。
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| 83. | It's good to breathe (in) fresh country air instead of city smoke. |
| 呼吸乡间的新鲜空气而不吸入城市的烟尘是有益的。
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| 84. | The dough shrank slowly in the cold air . |
| 面团在冷空气中慢慢收缩了。
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| 85. | The batsman smashed the ball up into the air . |
| 击球员把球击得很高。
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| 86. | The jet soared into the air . |
| 那架喷气式飞机飞上了天空。
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| 87. | She stabbed at the air with her finger to emphasize what she was saying. |
| 她手指一戳一戳的,强调她说的话。
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| 88. | The pump sucks air out (of the vessel) through this valve. |
| 这台泵通过这个阀门把(容器中的)空气抽出。
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| 89. | Smoke hung suspended in the still air . |
| 轻烟在静止的空气里悬浮着。
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| 90. | They've surcharged us 10% on the price of the holiday because of a rise in air fares. |
| 因飞机票涨价,他们在度假费用中向我们增收了10%附加费。
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