ragweed怎么读，ragweed的音标和真人发音
英音
[ˈrægwi:d]
美音 [ˈræɡˌwid]
音节划分：rag-weed
ragweed是什么意思，ragweed的意思是
n.豚草属
ragweed的词源和记忆技巧
ragweed 豚草
来自 ragged,破布般的，粗糙的，weed,草，杂草。比喻用法。
ragweed 的用法和双语例句“点击”或“选中”例句中的单词，就可以看到词义解释
- However , people who are allergic to ragweed or daisy pollen can have a similar allergic reaction to echinacea .
- 然而，对豚草或菊花花粉过敏的人可能同样会对紫锥菊过敏。
- Dating sediments using ragweed and nuclear fallout
- 利用豚草及核放射物对沉积物进行年代推定
- Whether the trigger is pollen or ragweed , suffering during allergy season is no fun .
- 不管让你过敏的是花粉或者豚草，在过敏季节要经受的煎熬滋味可一点也不好。
- For 75 percent of those 35 million , ragweed is the primary allergen , he added .
- 对于这35000000人的75%来说，豚草是首要过敏原，他补充道。
- People with ragweed allergies are more likely to have a reaction to echinacea , and there have been cases of anaphylactic shock .
- 对豚草过敏的人更可能由紫锥菊引发生理反应，甚至有引起过敏性休克的案例。
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