单词：air cycle
air cycle的用法和样例：
例句
- Allow ample air circulation by not overpacking the freezer.对无外包装的制冷剂可增加空气循环速度。
- To minimize head rot, plant to maximize air circulation.为减少烂盘，向日葵必须种植在空气循环量最大处。
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美国习惯用语