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allergen

/ˈælərdʒən/ /ˈælədʒən/

Meanings
noun

过敏原，致敏原

A substance which causes an allergic reaction.

Examples :

"Pollen, dust, and spores are common allergens."
花粉、灰尘和孢子是常见的过敏原。
medicine substance physiology

Related Words

Illustration allergens

allergens noun

/ˈælərdʒənz/ /ˈælərdʒɪnz/

过敏原，致敏原。

"Pollen, dust, and spores are common allergens."

花粉、灰尘和孢子是常见的过敏原。

Illustration and

and noun

/ænd/ /ənd/ /ən/

后半拍

"The drummer emphasized the ands in the song, making the rhythm very clear. "

鼓手在歌曲中强调了后半拍，使节奏非常鲜明。

Illustration common

common noun

/ˈkɒmən/ /ˈkɑmən/

共同利益，公有财产

"The common good of the school is ensured by a strong parent-teacher association. "

强大的家长教师联谊会确保了学校的共同利益。

Illustration dust

dust noun

/dʌst/

灰尘，尘埃

"A thick layer of dust covered the old book. "

厚厚的一层灰尘覆盖着那本旧书。

Illustration substance

substance noun

/ˈsʌbstəns/

物质, 材料

"The scientist carefully examined the substance to determine its chemical composition. "

科学家仔细检查了这种物质，以确定它的化学成分。

Illustration allergic

allergic noun

[ə.ˈlɜː.dʒɪk] [ə.ˈlɝ.dʒɪk]

过敏体质者，过敏症患者

"My younger brother is an allergic; he has severe allergies to peanuts and pollen. "

我弟弟是个过敏症患者，他对花生和花粉都有严重的过敏反应。

Illustration causes

causes noun

/ˈkɑzɪz/ /ˈkɔːzɪz/ /ˈkɔzɪz/

原因，起因，缘由。

"They identified a burst pipe as the cause of the flooding."

他们查明水管爆裂是这次洪水的起因。

Illustration are

are noun

/ɛə/ /ɛəɹ/

公亩

"The old blueprints for the house used the are as a unit of measurement. "

这栋房子的旧蓝图使用公亩作为面积单位。

Illustration which

which pronoun

/wɪt͡ʃ/

哪个，哪些

"By now, you must surely know which is which."

到现在，你肯定应该知道哪个是哪个了吧。

Illustration pollen

pollen noun

/ˈpɒlən/ /ˈpɑlən/

花粉

"Bees collect pollen from flowers to make honey. "

蜜蜂从花朵上采集花粉来酿蜜。

Illustration reaction

reaction noun

/ɹiˈækʃən/

反应，回应.

"The announcement of the verdict brought a violent reaction."

宣布判决结果后，引起了强烈的反应。

Illustration spores

spores noun

/spɔrz/ /spɔːrz/

孢子， 胞子

"The mold grew in the damp basement, releasing tiny spores into the air that made my allergies worse. "

潮湿的地下室里滋生了霉菌，释放出微小的孢子到空气中，加重了我的过敏症状。