红色的火龙果外表通红，果肉呈淡黄色。
The "red" fruits are generally a bright magenta color on the outside, with yellow flesh.
黄色的火龙果内外均是黄色。而哥斯达黎加火龙果内外均为洋红色。
The yellow pitaya is yellow inside and out, and the Costa Rican pitayas are magenta on the outside and the inside.
火龙果是一种大型红色的水果，表皮上还有绿色的触角。
Pitaya is a large red fruit with green tentacles on its skin.
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