The staple crop is rice.

主要农作物为水稻。

《牛津高阶英汉双解词典》

Tea is the staple crop here.

本地产品以茶叶为大宗.

《现代汉英综合大词典》

That used to be the staple crop of the islanders.

那以前是岛民的主要作物.

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Wheat is a staple crop for millions of people around the globe.

小麦是全世界上千万的人口的主要粮食.

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Wheat is a staple crop.

小麦是一种大宗作物.

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Lisa: I'd guess it was taro. That used to be the staple crop of the islanders.

莉莎: 我想是芋头吧. 那以前是岛民的主要作物.

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Maize is a staple crop in South - East Asia, both as a food and animal feed.

玉米是东南亚的一种主粮作物, 既作为食物,又作为动物饲料.

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