一、问题背景夏天到了，蚊虫活动频繁，孕妇由于身体免疫力较低，更容易受到蚊虫叮咬。被蚊子咬后，皮肤会出现红肿瘙痒的情况，这对孕妇...

صندصند Pregnant women often find themselves more attractive to mosquitoes, which can be quite annoying, espec