ragweed
「ragweed」的意思
n. 豚草属
n.[植] 豚草属
「ragweed」的用法
ragweed荨麻科一年生草本植物，花粉易引起过敏。 - 常用于秋季装饰，但需要注意过敏反应。
「ragweed」的例句
I had to stay indoors because of the ragweed pollen.
由于荨麻科植物的花粉，我不得不待在室内。
She suffers from seasonal allergies, especially when ragweed is in bloom.
她患有季节性过敏，尤其是在荨麻科植物盛开的时候。
The gardeners removed all the ragweed plants to prevent allergies.
园丁们移除了所有的荨麻科植物以防止过敏。
Ragweed is a common allergen in many parts of the United States.
荨麻科植物在美国的许多地方都是常见的过敏原。
My eyes itched and nose ran when I was near ragweed.
当我靠近荨麻科植物时，我的眼睛痒鼻子流鼻涕。
Ragweed pollen can travel for miles on the wind, causing widespread allergy problems.
荨麻科植物的花粉可以在风中传播数英里，导致广泛的过敏问题。
I take an antihistamine every time I'm near ragweed to prevent an allergic reaction.
每当我靠近荨麻科植物时，我都会服用抗组胺药以防止过敏反应。
The school closed early because of high levels of ragweed pollen in the air.
由于空气中荨麻科植物的花粉含量过高，学校提前放学。
Ragweed can be a nuisance during late summer and early fall.
荨麻科植物在晚夏和初秋期间可能会成为一种麻烦。
Many people use air purifiers to reduce exposure to ragweed pollen.
许多人使用空气净化器来减少对荨麻科植物花粉的暴露。