It is much hardier than lemon, however, though less hardy than grapefruit and sour orange.
它虽不及葡萄柚和酸橙耐寒，但却比柠檬耐寒得多。
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Sour, sweet, bitter, hot is the life of the rich, red orange green life is beautiful.
酸甜苦辣是生命的富有，赤橙黄绿是人生的斑斓。
This orange is sour.
这橘子是酸的。
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