ragweed fever
常見例句
- The third resembles one of the most rampant allergens of them all, a ragweed protein that causes hay fever.
第三個與造成花粉過敏的豚草蛋白類似，該蛋白可說是過敏原里最厲害的一個了。 - Tropical diseases such as malaria, dengue fever, and yellow fever are reaching temperate regions, and ragweed and poison ivy thrive in the hothouse world.
瘧疾、登革熱和黃熱病等熱帶疾病正在侵襲溫帶地區(qū)，豚草和毒藤也在溫室氣候里茁壯成長。
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