类风湿因子 lèi fēng shī yīn zǐ

DEFINITIONS

  1. rheumatoid factor

CHARACTERS

类 lèi class, group, kind, category
风 fēng wind; air; manners, atmosphere
湿 shī wet, moist, humid, damp; illness
因 yīn cause, reason; by; because (of)
子 zǐ offspring, child; fruit, seed of; 1st terrestrial branch