Outside a small store we sat down on a low wooden bench and, sheltered by a high wall, we communicated partly by writing on the ground with a bottle top.
我们在一家小店外的木头长凳上坐下，外面有高墙挡风。我们的交流部分要借助用啤酒瓶盖在地上写字。
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About a year ago I picked up a small bench-top CNC machine for making circuit boards and electronics enclosures. Configured correctly though, it can also do simple engraving.