1、pollen of the ragweed plant is a common allergen
豚草屬植物的花粉是常見的過敏原。

2、and giant ragweed (Ambrosia trifida L.)
和三裂葉豚草(Ambrosia trifidaL.)

3、pollen of the ragweed plant is a common allergen.
豚草屬植物的花粉是常見的過敏原。

4、Ragweed pioneers idle fields.
豚草常是閑置耕地的先鋒植物。

5、Ragweed that seems to be knitted Out of yellow wool
豚草好像是由黃色的羊毛

6、Limit your outside activities if you are bothered by ragweed and mold.
當(dāng)你受豚草和霉菌困擾時(shí)，盡量限制戶外活動(dòng)。

7、Dating sediments using ragweed and nuclear fallout.
利用豚草及核放射物對(duì)沉積物進(jìn)行年代推定。

8、For 75 percent of those 35 million, ragweed is the primary allergen, he added.
對(duì)于這35,000,000人的75%來(lái)說(shuō)，豚草是首要過敏原，他補(bǔ)充道。

ragweed翻譯