2. Corn, sweet potato, soybean and oats are all coarse food grains.
玉米、红薯、大豆和燕麦都是粗粮。
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3. I understood why the old man asked me to buy his wife's sweet potato.
我明白了为什么老人要我买他妻子的红薯。
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4. She told me that there was only one sweet potato left and she wouldn't go home until all the sweet potatoes were sold.
她告诉我只剩下一个红薯了，她要等到所有的红薯都卖完了才回家。
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5. This washing machine is used for sweet potato.
该机用于清洗红薯。
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6. The sweet potato in the village is what I can not forget.
山村的地瓜是我不能忘怀的。
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7. Yeah, this is sweet potato field. Have you ever seen it before?
是的，这是地瓜秧。你以前见过吗？
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8. They took dogs, rats and plants like the sweet potato with them.
他们带着他们的狗，鼠以及山芋之类的植物。
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9. A regular breakfast can consist of soybeans, an egg, a bowl of congee, corn, a sweet potato, meat and two kinds of fruit.
一顿普通的早餐包括大豆、一个鸡蛋，一碗粥、玉米、一颗红薯、肉和两种水果。
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10. Soda residues can favorable improve acidity soil, and have obvious increase in production of lichee, kidney bean, tomato and sweet potato.
碱渣对酸性土壤有良好的改良作用，对荔枝、芸豆、番茄、番薯产量有明显提高。
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11. The plan has good chances of success, since sweet potato is a staple of the region's diet and agriculture, and the varieties currently grown contain little beta-carotene.
该计划成功的机会很大，因为红薯是该地区的主食和主要农产品，而且目前种植的品种几乎不含胡萝卜素。
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12. The undisputed pre-Columbian presence in Oceania of the sweetpotato, which is a New World domesticate, has sometimes been used to support Heyerdahl's "American Indians in the Pacific" theories.
