美国的西南部是沙漠和半沙漠，零星散布着一些巨大的仙人掌属植物和低矮的灌木，白天很热，晚上很冷。

Southwestern u. s is desert and semidesert, sparely covered with giant cactus and low shrubs, hot in the day and cold at night.

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调查中，女性曾在灌木丛中小便的比例比男性小一半，在住宅区街道小便的比例更是只有男性的五分之一。

Women in the survey were half as likely as men to have peed in a bush and five times less likely to have peed on a residential street.

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我们无意中发现了一个被灌木丛遮盖了一半的地道入口。

We stumbled across the entrance to an underground passage, half covered by bushes.

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