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肥皂涂抹止痒。蚊虫叮咬时,在蚊子的口器中分泌出一种有机酸——蚁酸。这种物质可引起肌肉酸痒,肥皂含高级脂肪酸的钠盐,这种脂肪酸的钠盐水
Soap smear itch. Mosquito bites, in the mosquito mouthparts in the secretion of an organic acid - formic acid. This substance causes itchy muscle, soap contains sodium salt of higher fatty acid, sodium salt of this fatty acid