单词
pollen
读音
ˈpɑːlən
美式
英式
词根
无
释义
n. 花粉 vt. 传授花粉给…… n. （Pollen）波伦（人名） [ 复数 pollens ]
例句
Seeds and pollen are spread by the wind.
种子和花粉是随风传播的。
As the day goes on, the pollen dries up and becomes hard.
随着日子一天天过去，花粉变得又干又硬。
Avoid trips to the country while the pollen count is high.
花粉计数高时，尽量避免去乡村旅行。
Seeds and pollen are spread by the wind.
种子和花粉是随风传播的。
As the day goes on, the pollen dries up and becomes hard.
随着日子一天天过去，花粉变得又干又硬。
Avoid trips to the country while the pollen count is high.
花粉计数高时，尽量避免去乡村旅行。
强化记忆
无
看视频学发音
it'll keep itself busy mounting defenses against harmless substances,like pollen.Another theory is that an immune system toughened up by a barrage of pathogens
Bees get all of the protein they need in their dietfrom pollenand all of the carbohydrates they need from nectar.
With the trains coming in to urban hubs, they cancarry pollen with them, very light pollen,and it's just a big supermarket in the city.
are a hypersensitive immune response to something that's not actually harmful.Pollen from trees and grass,and mold spores from tiny fungi find their way into your mucous membranes
But sometimes, the immune system accidentally discriminatesagainst harmless substances, like pollen.When it wafts in again, antibodies on the surface of white blood cells
所属分类
出国,其他
所在词典
