The autumn day with a beautiful sunshine, object of 3 groups of tests gathers on a covered corridor or walk of lab doorway.
一个阳光明媚的秋日,3组测试对象聚集在实验室门口的长廊上。
The autumn day with a beautiful sunshine, object of 3 groups of tests gathers on a covered corridor or walk of lab doorway.
一个阳光明媚的秋日,3组测试对象聚集在实验室门口的长廊上。
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