common ragweed
英汉例句
- At six to seven years old more than half of the children were evaluated for their sensitivity to common allergens such as dust mites, ragweed and cats.
到6至7岁时，这835名儿童中，过半的人都有各种各样的过敏症，对常见的过敏原如尘螨，豚草和猫等产生过敏。 - Objective To compare proteins in the extract of Artemisia pollen and ragweed pollen and to examine the existance of common antigen between the two types of pollens.
目的比较艾蒿花粉和豚草花粉粗浸液中的蛋白质组分，探讨两者间有无共同抗原。