青年中文ragweed的意思
ragweed中文翻譯：
n.豚草屬
ragweeds───n.豚草屬
rag week───破爛周
ragwheel───碎布輪
agreed───adj.同意的；通過協議的；v.同意；贊成（agree的過去式）
fanweed───番草
hogweed───n.豕草，豬草；歐洲防風獨活屬植物
matweed───麥草
mayweed───狗茴香
oarweed───n.昆布
sediments using ragweed and nuclear fallout.───利用豚草及核放射物對沉積物進行年代推定。
Ragweed that seems to be knitted Out of yellow wool───豚草好像是由黃色的羊毛
Ragweed pioneers idle fields.───豚草常是閑置耕地的先鋒植物。
It meant crossing a broad field of ragweed, breathing heavily as the two of us lugged the canoe, heavy with its layers of paint.───這意味著要越過寬闊的豚草區；我們兩個小伙子氣喘吁吁地拖著有很沉涂料層的獨木舟。
Hakka mountain pig is the main lines of business, and the pigs using less feed, even to a child once played ragweed.───客家山區，是豬的主要業務，并使用更少的豬飼料，甚至曾經扮演過豚草一個孩子。
The two grubby small boys with two-coloured hair who were digging among the ragweed in front yard.───兩個骯里骯臟的長著亞麻色頭發的小男孩正在前院的雜草叢里挖什么東西。
The Common Agricultural Policy, which instituted the fallow system, initially contributed thereby to the increase of Ragweed.───共同農業政策，其中提起的休耕制度，初步作出了貢獻，從而對豚草的增加。
Even if you live in an urban area, you can still be affected because ragweed grains can travel up to 400 miles.───豬草花粉可以飄到400英里的區域，所以即使你住在郊區，仍然難免受到期困擾。
It's enough to make you grab a tissue: Minneapolis has tacked 16 days to the ragweed pollen season since 1995; LaCrosse, Wisc.───下面的數據將使你忍不住抓起一張紙巾：明尼阿波利斯市自1995年以來的花粉季增加了16天；
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Whether the trigger is pollen or ragweed, suffering during allergy season is no fun.
For 75 percent of those 35 million, ragweed is the primary allergen, he added.
However, people who are allergic to ragweed or daisy pollen can have a similar allergic reaction to echinacea.
The ragweed, Ambrosia artemisiifolia L. , is one of the most hazardous weed species distributed worldwide and causing serious damages to agricultural production and human health.
The ragweed Ambrosia artemisiifolia, an alien invasive weed, can profoundly influence natural ecosystems, agriculture, and human health.
To suppress the spread of the ragweed, there have been a lot of studies on their chemical control, physical control, plant displacement and biological control.
Ragweed causes runny noses and watery eyes.
Methods Extract of artemisia pollen and ragweed pollen were prepared SDS-PAGE and Coomassis were used to analyze proteins.