surface lap的意思|示意

Lap. Fold of metal which has been rolled or otherwise worked against the surface of rolled metal, but has not fused into sound metal.

折叠。经过轧制或采用其它方式加工的金属沿着轧制金属表面折叠起来，但并未被熔合成完好金属。

Appalled that 4m children did not even have desks, let alone schoolrooms, he invented a “lapdesk” that sits on the child’s lap and provides a stable surface.

因为惊讶于4百万个孩子没有书桌，更不用说教室了，他发明了膝上型桌子，靠在孩子的腿上可以提供一个稳定的平面供阅读及书写。

When kitties knead your lap or a surface near you, it means they're relaxed and content.

当猫咪轻抚你的大腿或者你身边某个物品的表面时，这意味着它很放松、满足。