The larger the iceberg, the slower it melts, even if it is towed through the tropics.

冰山越大，融化的速度就越慢，即使它被拖着穿过热带地区。

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Often the cheapest way to provide irrigation water in the dry tropics is through small-scale projects, such as gathering rainfall in depressions and pumping it to nearby cropland.

在干旱的热带地区，提供灌溉水的最低成本的方法通常是建造小规模的工程。例如，在洼地收集雨水，然后将其抽调至附近的农田。

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Clouds are vehicles for energy. They carry solar energy from the warm tropics to other parts of the globe through weather systems.

云是传递能量的工具，借助天气系统，它们将太阳能从温暖的热带输送到地球上其他的区域。

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As he struggled through the Amazon on mules and boats, he reflected that Man was not master in the Tropics but instead a transient guest wise to enjoy the fruits that were offered.

NPR: Excerpt: 'Natives and Exotics'

With gravel crunching underfoot the footpath wends through moist and sheltered valleys, where tree ferns and nikau palms bring a hint of the tropics to this relaxed corner of New Zealand.

BBC: Hiking New Zealand��s smallest national park