These organisms penetrate into snails, multiply, and develop into cercariae , the infective form for man.这些毛蚴进体螺体, 繁殖和发育对人类有传染性的尾蚴.The tears also contain a potent microbe - killer called lysozyme, which guards me from in...
The tears also contain a potent microbe - killer called lysozyme, which guards me from infective bacteria.眼泪里还包含一种叫做溶菌酶的高效力杀菌者, 保护我不受细菌感染.And the hestemit Antihistamine ? drugs may offer an infective effective ? treatmen...