short ragweed meaning in Chinese

短豚草试验

Even more remarkable , children who had two or more dogs or cats had an even greater reduction , up to 77 percent , in risk of allergies . and not only were they less likely to develop allergies to cats and dogs , but also to dust mites , short ragweed and blue grass
更值得注意的是，那些拥有两只或更多小宠物的儿童，患过敏症的病例甚至要少很多，比同龄儿童降低了77 ，他们不但不易对小猫和小狗过敏，而且对尘粒豚草和早熟禾等过敏原的过敏率也下降了。