common ragweed
常见例句
- 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。 返回 common ragweed