short ragweed中文什么意思

• 短豚草试验

• short:    adj. 1.短的；短暂的。 (opp. long)。 ...
• ragweed:    【植物；植物学】豚草属植物。
• common ragweed:    美洲豚草
• false ragweed:    假豚草
• giant ragweed:    巨豚草

例句与用法

1. 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。