抗原

kàngyuán

noun #22,726

Measure Word

一种抗原 zhǒng

Meanings

1 antigen
2 substance that triggers an immune response

Characters

to resist / to fight against

original / source / substance

Examples

HSK 7-9

疫苗通过引入抗原来激活免疫系统。

Yìmiáo tōngguò yǐnrù kàngyuán lái jīhuó miǎnyì xìtǒng.

Vaccines activate the immune system by introducing antigens.

HSK 7-9

抗原检测可以快速判断是否感染病毒。

Kàngyuán jiǎncè kěyǐ kuàisù pànduàn shìfǒu gǎnrǎn bìngdú.

Antigen testing can quickly determine whether one is infected with a virus.

Tips

memory

抗 means 'to resist / to fight against' and 原 means 'original substance / source'. An antigen is literally the 'original substance that the body fights against'. Compare 抗体 (antibody) - the body's fighting response to the antigen.

Stroke Order

抗 kàng

原 yuán