ragweed fever
常见例句
- The third resembles one of the most rampant allergens of them all, a ragweed protein that causes hay fever.
第三个与造成花粉过敏的豚草蛋白类似，该蛋白可说是过敏原里最厉害的一个了。 - Tropical diseases such as malaria, dengue fever, and yellow fever are reaching temperate regions, and ragweed and poison ivy thrive in the hothouse world.
疟疾、登革热和黄热病等热带疾病正在侵袭温带地区，豚草和毒藤也在温室气候里茁壮成长。
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