翅是昆虫背板的片状翻出物。

The wing is a flattened evagination of the dorsal body wall.

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是的，当我们最初面对错误或者背板的时候我们会感到生气、发脾气。

Yes, we may get angry and express it in the moment when we are first confronted with a misdeed or betrayal.

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采用单因素试验法，探讨了三层结构实木复合地板背板的含水率对地板长度方向变形的影响。

Linear deformation as a function of moisture content ( MC ) was investigated on the bottom layer of 3 layer parquet.

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