react
🇺🇸
/riˈækt/
🇬🇧
/riˈækt/
to act or change because of something that happens
How did you react when you heard the news?
当你听到这个消息时,你是如何反应的?
to get sick from touching, eating, or breathing something
Some people react badly to certain foods.
有些人对某些食物会产生不良反应。
to change chemically when mixed with something else
Chemicals react when combined to form new substances.
化学物质混合时会反应生成新物质。