抗体
An antibody is a protective protein produced by your immune system to fight off harmful substances like viruses or bacteria. It acts like a specialized soldier that remembers specific germs to prevent you from getting sick from the same thing twice.
Exemples
3 sur 5ワクチンを打ったので、抗体ができました。
I got the vaccine, so I developed antibodies.
検査の結果、十分な抗体が確認されました。
As a result of the test, sufficient antibodies were confirmed.
もう抗体持ってるから大丈夫だよ。
I already have antibodies, so I'm fine.
Famille de mots
Astuce mémo
Think of the Kanji: 'Kō' (抗) means 'against/resist' and 'Tai' (体) means 'body'. It's your body's way of resisting invaders.
Quiz rapide
病気を防ぐために、体の中に___が作られます。
Correct !
La bonne réponse est : 抗体
Exemples
ワクチンを打ったので、抗体ができました。
everydayI got the vaccine, so I developed antibodies.
検査の結果、十分な抗体が確認されました。
formalAs a result of the test, sufficient antibodies were confirmed.
もう抗体持ってるから大丈夫だよ。
informalI already have antibodies, so I'm fine.
抗体は特定の抗原にのみ結合する性質を持つ。
academicAntibodies have the property of binding only to specific antigens.
入国には抗体検査の証明書が必要です。
businessAn antibody test certificate is required for entry into the country.
Famille de mots
Collocations courantes
Phrases Courantes
抗体検査を受ける
to take an antibody test
抗体反応
antibody response
抗体をつくる
to produce antibodies
Souvent confondu avec
An antigen (kōgen) is the foreign invader (virus/bacteria), whereas an antibody (kōtai) is the body's defense against it.
Notes d'usage
While it is a medical term, it became a common household word in Japan due to the COVID-19 pandemic. It is almost always used with the verbs 'dekiru' (to be made) or 'motsu' (to possess).
Erreurs courantes
Learners often confuse it with 'antigen' (抗原) or use the general word for 'immunity' (免疫) when they specifically mean the proteins (antibodies).
Astuce mémo
Think of the Kanji: 'Kō' (抗) means 'against/resist' and 'Tai' (体) means 'body'. It's your body's way of resisting invaders.
Origine du mot
A Sino-Japanese compound of 抗 (resist/anti-) and 体 (body/substance).
Modèles grammaticaux
Contexte culturel
In Japan, regular health checkups and vaccinations are common, making this term visible in medical documents and news broadcasts.
Quiz rapide
病気を防ぐために、体の中に___が作られます。
Correct !
La bonne réponse est : 抗体
Vocabulaire associé
Mots lis
協力
A1Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.
提案
A1A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.
輸出
A1The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.
輸入
A1The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.
資源
A1Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.
保護
A1The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.
観察
A1Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.
競争
A1Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.
拡大
A1The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).
製造
A1The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.
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