Chocolate comes from the seed of the tropical cacao tree.

巧克力来源于热带植物可可树的种子。

There knots of thin strong roots make these tropical trees the perfect protection against soil erosion.

这些热带树木细长而强壮的根系使其成为抵御土壤侵蚀的最佳保护。

Roberts says recognizing tropical trees as time capsules of cultural heritage gives us yet another reason to protect them.

罗伯茨表示，将热带树木视为文化遗产的时间胶囊，给予我们另一个保护它们的理由。

Maybe you've never heard of the gutta percha, a tropical tree species that provided the sap used to make gutty balls.

也许你从未听说过 gutta percha ，这是一种热带树种，它的汁液可以用来制作 gutty 球。

Another example is how communities selected for genetic traits in a variety of tropical trees, such as the cocoa tree-used, of course, to make chocolate.

另一个例子是，人类如何为可可树等各种热带树木选择遗传特性，当然，这是用来制作巧克力。

Researchers combined this finding with satellite data to estimate that lightning kills 200 million tropical trees worldwide every year—a significant cause of their demise.

研究人员将这一发现与卫星数据相结合，估计全球每年有 2 亿棵热带树木因闪电而死亡——这是它们死亡的重要原因。

Large fruit eaters such as this one spread the seeds of tropical hardwood trees in their dung, helping to build up forests, which absorb carbon dioxide from the atmosphere.

像这只猴子这样的大型食果动物通过粪便传播热带硬木树的种子，有助于森林的扩张，而森林能够从大气中吸收二氧化碳。

If you took a tropical tree (whether ancient or modern) and transported it to Siberia or Patagonia in winter, its water would freeze into sharp-edged ice crystals, fatally puncturing the living cells in all of its leaves.

如果你把一棵热带树（不管是古老的还是现代的）在冬天运到西伯利亚或巴塔哥尼亚，它的水会冻成锋利的冰晶，致命地刺破所有叶子中的活细胞。