They are my colleagues and friends for many years who run a small mechanical wrokshop. At the beginning years they provided the mechanical support for our research in optics. Now they are a little bit independent of our research. Nice friends who we respected. A bit sad thing is that I saw them getting old day by day and so I am. I saw clearly the trace of time from that fact that the lady's front teeth were retired. 
2 comments:
I ,maybe, have seen this lady recently. She has sold some optical tables for our lab. I'm not sure.
我想，你是正确的，我们用的平台都是他们制造的，还不错。
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