作用

zuò yòng

HSK 2Verb (动)Noun (名)

Basic Meaning

often used in technical or formal contexts, e.g., in science or medicine

to affect; to have an effect on

对事物产生影响。

Words:

作用于

Synonyms:

Sentences:

这(zhè)种(zhǒng)药(yào)物(wù)作(zuò)用(yòng)于(yú)神(shén)经(jīng)系(xì)统(tǒng)
This drug acts on the nervous system.
阳(yáng)光(guāng)作(zuò)用(yòng)于(yú)植(zhí)物(wù)，促(cù)进(jìn)生(shēng)长(zhǎng)
Sunlight affects plants, promoting their growth.

commonly used in scientific terms like 光合作用 (photosynthesis) or 化学作用 (chemical action)

action; process that produces an effect

指对事物产生某种影响的活动。

Words:

同化作用化学作用物理作用光合作用

Sentences:

光(guāng)合(hé)作(zuò)用(yòng)是(shì)植(zhí)物(wù)的(de)重(zhòng)要(yào)过(guò)程(chéng)
Photosynthesis is an important process for plants.
化(huà)学(xué)作(zuò)用(yòng)可(kě)以(yǐ)改(gǎi)变(biàn)物(wù)质(zhì)的(de)性(xìng)质(zhì)
Chemical action can alter the properties of substances.

often refers to outcomes, including negative ones like 副作用 (side effects)

effect; impact; result

所产生的影响；效果。

Words:

副作用消极作用

Synonyms:

影响效果效用功用效力功能意义

Sentences:

这(zhè)种(zhǒng)药(yào)有(yǒu)副(fù)作(zuò)用(yòng)
This medicine has side effects.
他(tā)的(de)建(jiàn)议(yì)产(chǎn)生(shēng)了(le)积(jī)极(jí)的(de)作(zuò)用(yòng)
His suggestion had a positive effect.

work; labor; make

use