If you have pollen allergies, you should either avoid flowering plants or snip off the flower buds as soon as they appear.(如果您對(duì)花粉過(guò)敏，您應(yīng)該避免開(kāi)花植物，或者在它們出現(xiàn)后，立即剪掉它們。)

Many people are allergic to airborne pollutants such as pollen.(許多人對(duì)空氣中花粉之類的污染物質(zhì)過(guò)敏。)

Another problematic method is to reconstruct former climates on the basis of pollen profiles.(另一種有問(wèn)題的方法是根據(jù)花粉譜重建以前的氣候。)

A MERV rating tells you how well the filter can remove pollen and mold from the air as it passes through.(MERV等級(jí)可以讓你知道當(dāng)花粉和霉菌在空氣中傳播時(shí)，過(guò)濾器將如何將之過(guò)濾。)

A midge gathers pollen from a cacao flower by sticking its head inside a "petal pouch" that contains both pollen and a sticky nectar reward.(一只搖蚊把它的頭伸進(jìn)一個(gè)“花瓣囊”里，收集可可花的花粉，“花瓣囊”里既有花粉，也有粘稠的花蜜。)

The pollen viability of Miscanthus sinensis was determined by in vitro pollen germination method.(采用離體花粉萌發(fā)法測(cè)定了芒豆的花粉活力。)

Then there is fossilized pollen, from low shrubs and grasses that once grew in the Sahara.(還有一些石化的花粉，來(lái)自于曾經(jīng)生長(zhǎng)在撒哈拉的小灌木叢和草叢。)

When, in experiments, these caterpillars were fed milkweed leaves dusted with pollen from modified maize plants, they died.(在實(shí)驗(yàn)中，這些毛毛蟲被喂食沾有轉(zhuǎn)基因玉米花粉的馬利筋葉子，然后它們死亡了。)

And pollen can blow for miles.(并且花粉可被風(fēng)吹行數(shù)英里。)

Milk was used as material for fermentation and pollen polysaccharide was added into to produce yoghourt.(以牛乳為原料進(jìn)行發(fā)酵，并添加花粉多糖研制多糖酸奶。)