趋化作用 qū huà zuò yòng

DEFINITIONS

  1. chemotaxis (movement of leukocytes under chemical stimulus)

CHARACTERS

趋 qū
HSK 5
hasten, hurry; be attracted to
化 huà
HSK 3
change, convert, reform; -ize
作 zuò
HSK 1
make; work; compose, write; act, perform
用 yòng
HSK 3
use, employ, apply, operate; use