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。

Chocolate is made by roasting cacao seeds, which come from the cacao tree.

巧克力是通过烘烤可可种子制成的，可可种子来自可可树。

What we are looking at today is our chocolate tree or cacao tree.

我们今天看到的是我们的巧克力树或可可树。

The island in this parable is home to unusually tall cacao trees, hungry people, and little else.

寓言中的这座岛是参天的可可树和饥饿之人的家园。除此之外，再没有其他。

They also identified a substance found in the cacao tree but not in its wild relatives.

他们还发现了一种在可可树中发现但在其野生近缘种中未发现的物质。

It's defined as a food made from the roasted and ground pods of the cacao tree.

它被定义为由可可树的烤豆荚和豆荚制成的食物。

As far back as 1900 BCE, the people of that region had learned to prepare the beans of the native cacao tree.

早在公元前 1900 年，该地区的人们就已经学会了用本地可可树制作豆子。

That's because almost three quarters of the land is arable, meaning suitable for crops, especially rows and rows of cacao trees worldwide.

这是因为几乎四分之三的土地是可耕地，这意味着适合种植农作物，尤其是全球范围内成排的可可树。

The researchers were surprised to discover the genes for caffeine. They discovered coffee's caffeine genes are not linked to the caffeine genes in the cacao tree. Cacao beans are used to make chocolate.

研究人员惊讶地发现了咖啡因的基因。他们发现咖啡的咖啡因基因与可可树中的咖啡因基因无关。可可豆用于制作巧克力。