mesh的过去式和过去分词

　　例句：

　　The ground-floor windows are obscured by wire mesh.

　　一楼的窗户装有防盗网。

　　The net of Heaven has large meshes, but it lets nothing through.

　　天网恢恢，疏而不漏。

　　The gears are in mesh.

　　齿轮相互啮合。