孩子们正在后院玩跳背游戏和翻筋头。
The kids were playing leapfrog and doing somersaults in the backyard.
言词在风中奇特地翻筋头。
覆盖件拉延工艺的设计一般包括以下内容：翻边展开、拉深方向选择、坯料估算、工艺补充面的搭建、压料面的添加以及拉深筋的布置等等。
The design of auto-body forming process commonly includes edge un-wrapping, choice of drawing direction, roughcast reckoning, design of addendum, adding the binder surface and setting the draw bead.
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