Today I found out why crabs, lobsters, crayfish, shrimp, and some other crustaceans turn red/orange when cooked.

今天我终于知道为什么螃蟹，龙虾，小龙虾以及其他的甲壳类动物会在烹饪的时候变成红色或者橘红色了。

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Does it turn red when cooked?

它会不会也变成红色？

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Only the albino crab and lobster do not turn red when cooked.

只有白化螃蟹和龙虾不会变色。

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Those dishes, including red-cooked pork and pot stickers, were largely unknown at the time in America.

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