antibody

antibody — noun

1. a Y-shaped blood protein that the immune system makes after meeting a specific h

1.名詞C1
釋義

a Y-shaped blood protein that the immune system makes after meeting a specific harmful substance, such as a virus or bacteria, and that locks onto that substance to help destroy it — for example, after a flu infection or vaccine.

例句

Doctors found that Hana's body had produced antibodies against the measles virus.

produce antibodies against + virus/bacteria

After a mild infection, most patients develop antibodies that protect them for several months.

develop antibodies (+ that-clause modifier)

同義詞
  • immunoglobulin

    the technical scientific term for the same molecule, used in medical and lab contexts

反義詞
  • antigen

    not a true opposite — an antigen is the foreign substance that triggers the antibody response

文法句型

antibody to/against + noun

produce/develop antibodies

用法筆記

Almost always countable and often plural; singular forms appear mainly in technical phrases like 'antibody response' or 'antibody test'. Frequently followed by 'to' or 'against' plus the specific pathogen or substance.

常見錯誤

❌My body made antibody for the virus.
✅My body made antibodies against the virus.
💡usually plural, and the typical preposition is 'against' or 'to', not 'for'.
❌The vaccine creates antibodies of COVID.
✅The vaccine creates antibodies against COVID.
💡'antibodies of X' is wrong; use 'against' or 'to' to name the target.