staple crop

• 诛,主要作物

staple crop的用法和样例：

例句

1. Rice is the chief crop in most southern provinces.
   稻子是大多数南方省份的主要作物。
2. Triticum aestivum is the second most important crop in China and its production and quality are directly linked with both international and domestic affairs.
   小麦是我国第二大主要作物，其产量与品质直接关系到国计民生。