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2013-05-23 12:21
求翻译：The egg is surrounded by a 0.2-0.4 mm thick calcareous and porous shell. Shells of chicken eggs are white-yellow to brown, duck’s are greenish to white, and those of most wild birds are characteristically spotted. The inside of the shell is lined with two closely-adhering membranes（inner and outer）. The two membranes s是什么意思？ 待解决
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The egg is surrounded by a 0.2-0.4 mm thick calcareous and porous shell. Shells of chicken eggs are white-yellow to brown, duck’s are greenish to white, and those of most wild birds are characteristically spotted. The inside of the shell is lined with two closely-adhering membranes（inner and outer）. The two membranes s
问题补充： |
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