chemicalKK [ˋkɛməkəl] /ˈkɛməkəl/發音名詞1化學物質、化學藥品、化學製品The factory dumped toxic chemicals into the nearby river.那間工廠把有毒的化學物質倒進附近的河裡。2化學成分、化學物質指人體或食物中Exercise releases chemicals in the brain that improve your mood.運動會使大腦釋放出改善心情的化學物質。形容詞1化學的The students watched a chemical reaction change the liquid's color.學生們看著化學反應改變了液體的顏色。2用化學藥劑的、含化學成分的She avoids chemical cleaners and uses vinegar instead.她不用含化學成分的清潔劑，改用醋來清洗。3化學武器的The country was accused of launching a chemical attack.該國被指控發動化學武器攻擊。