Though small, the country has abundant plants from desert grasses to tropical jungle.
这个国家虽然小，但植物种类丰富，从沙漠草原到热带丛林都有。
Sugar cane is a tropical perennial. It 's one of the grasses.
甘蔗是一种热带多年生植物，它是一种禾本科植物。
Averaging 120 pounds (50 kilograms), these tropical giants are at home on land or in water and feed on aquatic plants and grasses.
水豚平均体重120磅(50公斤)，这些热带巨人在家在陆地上或者在水中，用水生植物和草类喂养。
Averaging 120 pounds (50 kilograms), these tropical giants are at home on land or in water and feed on aquatic plants and grasses.
水豚平均体重120磅(50公斤)，这些热带巨人在家在陆地上或者在水中，用水生植物和草类喂养。
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