The toad family originated in the tropics of South America before colonizing the rest of the globe.

在对外殖民扩张开始以前，蟾蜍家族起源于南美洲的热带。

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The Caribbean sea is a sea of the Atlantic Ocean situated in the tropics of the Western hemisphere.

加勒比海位于西半球，地处大西洋沿岸的热带地区。

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For cartographers, the tropical belt is defined quite simply by the tropics of Cancer and Capricorn, at latitudes 23.5 degrees north and south of the equator.

为制图员，热带定义很简单，由热带地区的癌症和南回归线，在北纬23.5度，北部和南部的赤道。

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They have bred prolifically and have advanced across Australia's tropics at a rate of 40 to 50 kilometers a year.

VOA: standard.2010.02.07

"In the tropics, a lot of tree species don't even form rings that we can see.

VOA: standard.2010.04.05

It shows a near 30% drop in biodiversity since 1970, and an even faster decline in the tropics of 60%.

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To be precise you are back in a special region of the tropics, because so much of Miami on the surface can make you forget you are there.

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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.

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