差出人
類似のロイヤリティフリーの画像
Modern science. Serious intelligent pleasant man sitting at the table and holding a test tube while working in the lab
Scientist or chemist looking in microscope in laboratory
Young Caucasian scientists making testing with test tube while doing research in science laboratory.
Male scientist holding a tube with liquid substance. Man Research is working in the Laboratory with foreground of tube and Beaker of liquid substance.
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