空气培植法是一种将植物悬挂起来、并将根部浸泡在营养液中的技术，是另一种不需要土壤就能种植植物的方法。

Aeroponics, a technique in which plants are suspended and the roots misted with a nutrient solution, is another method for growing plants without soil.

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猴子靠尾巴悬挂起来。

Monkeys hang by their tails.

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把你的清洁工具——一块湿抹布或海绵——悬挂起来留到第二天使用是很诱人的，不过那样也会使它们成为细菌的滋生地。

It's tempting to leave your cleaning implement—a damp rag or sponge—hanging around to use the next day, but that could create a germ breeding ground.

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