排水不良能减低土壤的透气性，使根死亡。

Poor drainage causes deficient soil aeration and death of the roots.

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相比之下，很多阿拉斯加中部，是广阔平坦低地，排水不良。

In comparison, much of central Alaska is a broad, flat lowland that is poorly drained.

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球场因为排水不良而太湿，时间越长，则高尔夫轮次就越少。

The more days a golf course is too wet for play because of poor drainage, fewer rounds are available.

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