新加坡在哪一年首次种植橡胶？

In what year was rubber first planted in Singapore?

youdao

他们还种植橡胶树和蝎尾焦。

They also planted rubber trees, and heliconium flowers.

youdao

农民种植橡胶，胡椒和蔬菜销往城市。

The farmers grow rubber, pepper, and vegetables for the cities.

youdao