Covid-19, coronavirus disease, healthcare workers concept.年轻的专业女医生，亚洲实习生，身穿洗涤剂和医疗面罩，举止端庄，保证质量 Covid-19, coronavirus disease, healthcare workers concept.年轻的专业女医生，亚洲实习生，身穿洗涤剂和医疗面罩，举止端庄，保证质量.