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1·A dampish corner in the basement of which served as our laboratory.

地下室潮湿的一角用做了我们的实验室。

2·A. C. currents were not allowed in the whole building, a dampish corner in the basement of which served as our laboratory, with a dampish chemical laboratory overhead;

整幢楼都不准有交流电，这幢楼地下室潮湿的一角便用做了我们的实验室，头顶就是一个潮湿的化学实验室；