The applicator on the stick, a strip of synthetic proteins, then detects HIV antibodies in blood in 20 minutes or less.
The applicator on the stick, a strip of synthetic proteins, then detects HIV antibodies in blood in 20 minutes or less.
棒上的涂药器是一条状的人工合成的蛋白质，接着在血液中发现HIV抗体大约需要20分钟。