每日翻译： 橡胶原来是南美巴西的产物，在19世纪下半叶传到别的国家。现在，世界上大部分的橡胶，是生产在赤道南北各10度的中间地

橡胶原来是南美巴西的产物，在19世纪下半叶传到别的国家。现在，世界上大部分的橡胶，是生产在赤道南北各10度的中间地带上。

Rubber was originally a product of Brazil in South America, and it was introduced to other countries in the second half of the 19th century. Nowadays, most of the rubber in the world is produced in the middle zone between 10 degrees north and south of the equator.

Originally from Brazil in South America, rubber was introduced to other countries during the latter half of the 19th century. Nowadays, the majority of the world's rubber is produced in the region between 10 degrees north and south of the equator.

Brazil in South America was the original source of rubber, and it was later spread to other countries in the latter half of the 19th century. Currently, the majority of rubber production takes place in the intermediate belt between 10 degrees north and south of the equator.

Rubber had its origins in Brazil in South America and was introduced to other countries in the latter half of the 19th century. Today, most of the world's rubber is produced in the region that lies between 10 degrees north and south of the equator.

In the beginning, rubber was a product exclusive to Brazil in South America, but it was later disseminated to other countries during the latter half of the 19th century. Presently, the majority of the world's rubber is produced in the central region between 10 degrees north and south of the equator.

优秀译文：

Rubber，originally a product of brazil in south america, spread to other countries in the latter half of the 19th century. Now, the bulk of the world's rubber is grown between 10'N and 10'S of the equator.