趨化作用

chemotaxis (movement of leukocytes under chemical stimulus)

to hasten / to hurry / to walk fast / to approach / to tend towards / to converge

variant of 花[hua1]

to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化學|化学[hua4 xue2]

to change into / to turn into / to become

worker / workshop / (slang) troublesome / high-maintenance (person)

to do; to engage in / to write; to compose / to pretend; to feign / to regard as; to consider to be / to be; to act the part of / to feel (itchy, nauseous etc) / writings; works

to act on / to affect / action / function / activity / impact / result / effect / purpose / intent / (suffix) -ation, -tion etc, as in 抑制作用[yi4 zhi4 zuo4 yong4], inhibition

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore